Home / 141,824.40-195,715.01-77,294.16

Finding the Fourth Proportional to 141,824.40, 195,715.01 and 77,294.16

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Solution

The fourth proportional to 141,824.40, 195,715.01 and 77,294.16 is: 106,664.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,824.40 : 195,715.01 = 77,294.16 : x
  2. Step 2: Convert to fraction form
    141,824.40/195,715.01 = 77,294.16/x
  3. Step 3: Cross multiply
    141,824.40x = 195,715.01 × 77,294.16
  4. Step 4: Simplify right side
    141,824.40x = 15,127,626,910.87
  5. Step 5: Solve for x
    x = 15,127,626,910.87/141,824.40
  6. Step 6: Final answer
    x = 106,664.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.