Home / 136,126.59-187,854.85-75,695.94

Finding the Fourth Proportional to 136,126.59, 187,854.85 and 75,695.94

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Solution

The fourth proportional to 136,126.59, 187,854.85 and 75,695.94 is: 104,460.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,126.59 : 187,854.85 = 75,695.94 : x
  2. Step 2: Convert to fraction form
    136,126.59/187,854.85 = 75,695.94/x
  3. Step 3: Cross multiply
    136,126.59x = 187,854.85 × 75,695.94
  4. Step 4: Simplify right side
    136,126.59x = 14,219,849,454.31
  5. Step 5: Solve for x
    x = 14,219,849,454.31/136,126.59
  6. Step 6: Final answer
    x = 104,460.48

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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.