Home / 142,230,715.80-213,346,073.70-96,314,213.40

Finding the Fourth Proportional to 142,230,715.80, 213,346,073.70 and 96,314,213.40

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Solution

The fourth proportional to 142,230,715.80, 213,346,073.70 and 96,314,213.40 is: 144,471,320.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,230,715.80 : 213,346,073.70 = 96,314,213.40 : x
  2. Step 2: Convert to fraction form
    142,230,715.80/213,346,073.70 = 96,314,213.40/x
  3. Step 3: Cross multiply
    142,230,715.80x = 213,346,073.70 × 96,314,213.40
  4. Step 4: Simplify right side
    142,230,715.80x = 20,548,259,270,393,928
  5. Step 5: Solve for x
    x = 20,548,259,270,393,928/142,230,715.80
  6. Step 6: Final answer
    x = 144,471,320.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.