Home / 157,437.14-217,265.52-85,817.17

Finding the Fourth Proportional to 157,437.14, 217,265.52 and 85,817.17

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Solution

The fourth proportional to 157,437.14, 217,265.52 and 85,817.17 is: 118,428.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,437.14 : 217,265.52 = 85,817.17 : x
  2. Step 2: Convert to fraction form
    157,437.14/217,265.52 = 85,817.17/x
  3. Step 3: Cross multiply
    157,437.14x = 217,265.52 × 85,817.17
  4. Step 4: Simplify right side
    157,437.14x = 18,645,112,658.37
  5. Step 5: Solve for x
    x = 18,645,112,658.37/157,437.14
  6. Step 6: Final answer
    x = 118,428.94

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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.