Home / 141,348.10-195,052.13-77,685.95

Finding the Fourth Proportional to 141,348.10, 195,052.13 and 77,685.95

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Solution

The fourth proportional to 141,348.10, 195,052.13 and 77,685.95 is: 107,202.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,348.10 : 195,052.13 = 77,685.95 : x
  2. Step 2: Convert to fraction form
    141,348.10/195,052.13 = 77,685.95/x
  3. Step 3: Cross multiply
    141,348.10x = 195,052.13 × 77,685.95
  4. Step 4: Simplify right side
    141,348.10x = 15,152,808,654.88
  5. Step 5: Solve for x
    x = 15,152,808,654.88/141,348.10
  6. Step 6: Final answer
    x = 107,202.07

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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.