Home / 127,856.83-176,444.75-71,262.13

Finding the Fourth Proportional to 127,856.83, 176,444.75 and 71,262.13

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Solution

The fourth proportional to 127,856.83, 176,444.75 and 71,262.13 is: 98,343.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,856.83 : 176,444.75 = 71,262.13 : x
  2. Step 2: Convert to fraction form
    127,856.83/176,444.75 = 71,262.13/x
  3. Step 3: Cross multiply
    127,856.83x = 176,444.75 × 71,262.13
  4. Step 4: Simplify right side
    127,856.83x = 12,573,828,712.32
  5. Step 5: Solve for x
    x = 12,573,828,712.32/127,856.83
  6. Step 6: Final answer
    x = 98,343.04

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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.