Home / 157,507.36-217,351.92-89,515.24

Finding the Fourth Proportional to 157,507.36, 217,351.92 and 89,515.24

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Solution

The fourth proportional to 157,507.36, 217,351.92 and 89,515.24 is: 123,526.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,507.36 : 217,351.92 = 89,515.24 : x
  2. Step 2: Convert to fraction form
    157,507.36/217,351.92 = 89,515.24/x
  3. Step 3: Cross multiply
    157,507.36x = 217,351.92 × 89,515.24
  4. Step 4: Simplify right side
    157,507.36x = 19,456,309,283.26
  5. Step 5: Solve for x
    x = 19,456,309,283.26/157,507.36
  6. Step 6: Final answer
    x = 123,526.35

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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.