Home / 141,931.69-212,897.57-57,737.66

Finding the Fourth Proportional to 141,931.69, 212,897.57 and 57,737.66

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Solution

The fourth proportional to 141,931.69, 212,897.57 and 57,737.66 is: 86,606.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,931.69 : 212,897.57 = 57,737.66 : x
  2. Step 2: Convert to fraction form
    141,931.69/212,897.57 = 57,737.66/x
  3. Step 3: Cross multiply
    141,931.69x = 212,897.57 × 57,737.66
  4. Step 4: Simplify right side
    141,931.69x = 12,292,206,158.31
  5. Step 5: Solve for x
    x = 12,292,206,158.31/141,931.69
  6. Step 6: Final answer
    x = 86,606.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.