Home / 157,944.66-217,963.22-86,325.17

Finding the Fourth Proportional to 157,944.66, 217,963.22 and 86,325.17

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Solution

The fourth proportional to 157,944.66, 217,963.22 and 86,325.17 is: 119,128.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,944.66 : 217,963.22 = 86,325.17 : x
  2. Step 2: Convert to fraction form
    157,944.66/217,963.22 = 86,325.17/x
  3. Step 3: Cross multiply
    157,944.66x = 217,963.22 × 86,325.17
  4. Step 4: Simplify right side
    157,944.66x = 18,815,710,984.38
  5. Step 5: Solve for x
    x = 18,815,710,984.38/157,944.66
  6. Step 6: Final answer
    x = 119,128.51

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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.