Home / 127,771.32-176,320.62-71,181.48

Finding the Fourth Proportional to 127,771.32, 176,320.62 and 71,181.48

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Solution

The fourth proportional to 127,771.32, 176,320.62 and 71,181.48 is: 98,228.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,771.32 : 176,320.62 = 71,181.48 : x
  2. Step 2: Convert to fraction form
    127,771.32/176,320.62 = 71,181.48/x
  3. Step 3: Cross multiply
    127,771.32x = 176,320.62 × 71,181.48
  4. Step 4: Simplify right side
    127,771.32x = 12,550,762,686.12
  5. Step 5: Solve for x
    x = 12,550,762,686.12/127,771.32
  6. Step 6: Final answer
    x = 98,228.32

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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.