Home / 127,753.17-176,372.45-84,790.93

Finding the Fourth Proportional to 127,753.17, 176,372.45 and 84,790.93

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Solution

The fourth proportional to 127,753.17, 176,372.45 and 84,790.93 is: 117,059.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,753.17 : 176,372.45 = 84,790.93 : x
  2. Step 2: Convert to fraction form
    127,753.17/176,372.45 = 84,790.93/x
  3. Step 3: Cross multiply
    127,753.17x = 176,372.45 × 84,790.93
  4. Step 4: Simplify right side
    127,753.17x = 14,954,783,180.02
  5. Step 5: Solve for x
    x = 14,954,783,180.02/127,753.17
  6. Step 6: Final answer
    x = 117,059.98

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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.