Home / 141,560.79-195,353.94-77,898.63

Finding the Fourth Proportional to 141,560.79, 195,353.94 and 77,898.63

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Solution

The fourth proportional to 141,560.79, 195,353.94 and 77,898.63 is: 107,500.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,560.79 : 195,353.94 = 77,898.63 : x
  2. Step 2: Convert to fraction form
    141,560.79/195,353.94 = 77,898.63/x
  3. Step 3: Cross multiply
    141,560.79x = 195,353.94 × 77,898.63
  4. Step 4: Simplify right side
    141,560.79x = 15,217,804,291.10
  5. Step 5: Solve for x
    x = 15,217,804,291.10/141,560.79
  6. Step 6: Final answer
    x = 107,500.14

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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.