Home / 157,936.81-217,966.85-89,938.93

Finding the Fourth Proportional to 157,936.81, 217,966.85 and 89,938.93

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Solution

The fourth proportional to 157,936.81, 217,966.85 and 89,938.93 is: 124,123.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,936.81 : 217,966.85 = 89,938.93 : x
  2. Step 2: Convert to fraction form
    157,936.81/217,966.85 = 89,938.93/x
  3. Step 3: Cross multiply
    157,936.81x = 217,966.85 × 89,938.93
  4. Step 4: Simplify right side
    157,936.81x = 19,603,704,814.78
  5. Step 5: Solve for x
    x = 19,603,704,814.78/157,936.81
  6. Step 6: Final answer
    x = 124,123.72

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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.