Home / 127,758.96-176,328.36-71,188.56

Finding the Fourth Proportional to 127,758.96, 176,328.36 and 71,188.56

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Solution

The fourth proportional to 127,758.96, 176,328.36 and 71,188.56 is: 98,251.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,758.96 : 176,328.36 = 71,188.56 : x
  2. Step 2: Convert to fraction form
    127,758.96/176,328.36 = 71,188.56/x
  3. Step 3: Cross multiply
    127,758.96x = 176,328.36 × 71,188.56
  4. Step 4: Simplify right side
    127,758.96x = 12,552,562,035.56
  5. Step 5: Solve for x
    x = 12,552,562,035.56/127,758.96
  6. Step 6: Final answer
    x = 98,251.91

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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.