Home / 127,771.16-176,324.48-71,184.56

Finding the Fourth Proportional to 127,771.16, 176,324.48 and 71,184.56

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Solution

The fourth proportional to 127,771.16, 176,324.48 and 71,184.56 is: 98,234.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,771.16 : 176,324.48 = 71,184.56 : x
  2. Step 2: Convert to fraction form
    127,771.16/176,324.48 = 71,184.56/x
  3. Step 3: Cross multiply
    127,771.16x = 176,324.48 × 71,184.56
  4. Step 4: Simplify right side
    127,771.16x = 12,551,580,526.03
  5. Step 5: Solve for x
    x = 12,551,580,526.03/127,771.16
  6. Step 6: Final answer
    x = 98,234.85

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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.