Home / 187,101.26-280,618.08-53,948.78

Finding the Fourth Proportional to 187,101.26, 280,618.08 and 53,948.78

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Solution

The fourth proportional to 187,101.26, 280,618.08 and 53,948.78 is: 80,913.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,101.26 : 280,618.08 = 53,948.78 : x
  2. Step 2: Convert to fraction form
    187,101.26/280,618.08 = 53,948.78/x
  3. Step 3: Cross multiply
    187,101.26x = 280,618.08 × 53,948.78
  4. Step 4: Simplify right side
    187,101.26x = 15,139,003,061.94
  5. Step 5: Solve for x
    x = 15,139,003,061.94/187,101.26
  6. Step 6: Final answer
    x = 80,913.42

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1.5x scale

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.