Home / 127,612.04-176,101.62-71,022.20

Finding the Fourth Proportional to 127,612.04, 176,101.62 and 71,022.20

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Solution

The fourth proportional to 127,612.04, 176,101.62 and 71,022.20 is: 98,008.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,612.04 : 176,101.62 = 71,022.20 : x
  2. Step 2: Convert to fraction form
    127,612.04/176,101.62 = 71,022.20/x
  3. Step 3: Cross multiply
    127,612.04x = 176,101.62 × 71,022.20
  4. Step 4: Simplify right side
    127,612.04x = 12,507,124,475.96
  5. Step 5: Solve for x
    x = 12,507,124,475.96/127,612.04
  6. Step 6: Final answer
    x = 98,008.97

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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.