Home / 127,737.26-176,268.96-76,752.14

Finding the Fourth Proportional to 127,737.26, 176,268.96 and 76,752.14

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Solution

The fourth proportional to 127,737.26, 176,268.96 and 76,752.14 is: 105,912.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,737.26 : 176,268.96 = 76,752.14 : x
  2. Step 2: Convert to fraction form
    127,737.26/176,268.96 = 76,752.14/x
  3. Step 3: Cross multiply
    127,737.26x = 176,268.96 × 76,752.14
  4. Step 4: Simplify right side
    127,737.26x = 13,529,020,005.74
  5. Step 5: Solve for x
    x = 13,529,020,005.74/127,737.26
  6. Step 6: Final answer
    x = 105,912.87

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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.