Home / 140,827.50-194,341.95-77,167.71

Finding the Fourth Proportional to 140,827.50, 194,341.95 and 77,167.71

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Solution

The fourth proportional to 140,827.50, 194,341.95 and 77,167.71 is: 106,491.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,827.50 : 194,341.95 = 77,167.71 : x
  2. Step 2: Convert to fraction form
    140,827.50/194,341.95 = 77,167.71/x
  3. Step 3: Cross multiply
    140,827.50x = 194,341.95 × 77,167.71
  4. Step 4: Simplify right side
    140,827.50x = 14,996,923,238.43
  5. Step 5: Solve for x
    x = 14,996,923,238.43/140,827.50
  6. Step 6: Final answer
    x = 106,491.44

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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.