Home / 127,710.26-176,240.21-74,026.42

Finding the Fourth Proportional to 127,710.26, 176,240.21 and 74,026.42

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Solution

The fourth proportional to 127,710.26, 176,240.21 and 74,026.42 is: 102,156.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,710.26 : 176,240.21 = 74,026.42 : x
  2. Step 2: Convert to fraction form
    127,710.26/176,240.21 = 74,026.42/x
  3. Step 3: Cross multiply
    127,710.26x = 176,240.21 × 74,026.42
  4. Step 4: Simplify right side
    127,710.26x = 13,046,431,360.57
  5. Step 5: Solve for x
    x = 13,046,431,360.57/127,710.26
  6. Step 6: Final answer
    x = 102,156.48

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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.