Home / 187,618.68-258,913.95-101,577.72

Finding the Fourth Proportional to 187,618.68, 258,913.95 and 101,577.72

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Solution

The fourth proportional to 187,618.68, 258,913.95 and 101,577.72 is: 140,177.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,618.68 : 258,913.95 = 101,577.72 : x
  2. Step 2: Convert to fraction form
    187,618.68/258,913.95 = 101,577.72/x
  3. Step 3: Cross multiply
    187,618.68x = 258,913.95 × 101,577.72
  4. Step 4: Simplify right side
    187,618.68x = 26,299,888,717.19
  5. Step 5: Solve for x
    x = 26,299,888,717.19/187,618.68
  6. Step 6: Final answer
    x = 140,177.35

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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.