Home / 150,244.80-207,332.64-83,172.48

Finding the Fourth Proportional to 150,244.80, 207,332.64 and 83,172.48

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Solution

The fourth proportional to 150,244.80, 207,332.64 and 83,172.48 is: 114,775.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,244.80 : 207,332.64 = 83,172.48 : x
  2. Step 2: Convert to fraction form
    150,244.80/207,332.64 = 83,172.48/x
  3. Step 3: Cross multiply
    150,244.80x = 207,332.64 × 83,172.48
  4. Step 4: Simplify right side
    150,244.80x = 17,244,369,853.75
  5. Step 5: Solve for x
    x = 17,244,369,853.75/150,244.80
  6. Step 6: Final answer
    x = 114,775.15

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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.