Home / 127,618.74-176,110.92-71,035.38

Finding the Fourth Proportional to 127,618.74, 176,110.92 and 71,035.38

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Solution

The fourth proportional to 127,618.74, 176,110.92 and 71,035.38 is: 98,027.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,618.74 : 176,110.92 = 71,035.38 : x
  2. Step 2: Convert to fraction form
    127,618.74/176,110.92 = 71,035.38/x
  3. Step 3: Cross multiply
    127,618.74x = 176,110.92 × 71,035.38
  4. Step 4: Simplify right side
    127,618.74x = 12,510,106,124.35
  5. Step 5: Solve for x
    x = 12,510,106,124.35/127,618.74
  6. Step 6: Final answer
    x = 98,027.19

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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.