Home / 141,394.04-195,123.90-77,732.92

Finding the Fourth Proportional to 141,394.04, 195,123.90 and 77,732.92

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Solution

The fourth proportional to 141,394.04, 195,123.90 and 77,732.92 is: 107,271.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,394.04 : 195,123.90 = 77,732.92 : x
  2. Step 2: Convert to fraction form
    141,394.04/195,123.90 = 77,732.92/x
  3. Step 3: Cross multiply
    141,394.04x = 195,123.90 × 77,732.92
  4. Step 4: Simplify right side
    141,394.04x = 15,167,550,508.79
  5. Step 5: Solve for x
    x = 15,167,550,508.79/141,394.04
  6. Step 6: Final answer
    x = 107,271.50

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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.