Home / 157,386.17-217,186.16-89,402.94

Finding the Fourth Proportional to 157,386.17, 217,186.16 and 89,402.94

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Solution

The fourth proportional to 157,386.17, 217,186.16 and 89,402.94 is: 123,372.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,386.17 : 217,186.16 = 89,402.94 : x
  2. Step 2: Convert to fraction form
    157,386.17/217,186.16 = 89,402.94/x
  3. Step 3: Cross multiply
    157,386.17x = 217,186.16 × 89,402.94
  4. Step 4: Simplify right side
    157,386.17x = 19,417,080,784.30
  5. Step 5: Solve for x
    x = 19,417,080,784.30/157,386.17
  6. Step 6: Final answer
    x = 123,372.22

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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.