Home / 157,938.54-217,934.19-101,426.46

Finding the Fourth Proportional to 157,938.54, 217,934.19 and 101,426.46

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Solution

The fourth proportional to 157,938.54, 217,934.19 and 101,426.46 is: 139,955.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,938.54 : 217,934.19 = 101,426.46 : x
  2. Step 2: Convert to fraction form
    157,938.54/217,934.19 = 101,426.46/x
  3. Step 3: Cross multiply
    157,938.54x = 217,934.19 × 101,426.46
  4. Step 4: Simplify right side
    157,938.54x = 22,104,293,404.67
  5. Step 5: Solve for x
    x = 22,104,293,404.67/157,938.54
  6. Step 6: Final answer
    x = 139,955.03

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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.