Home / 182,712.52-252,146.60-102,131.40

Finding the Fourth Proportional to 182,712.52, 252,146.60 and 102,131.40

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Solution

The fourth proportional to 182,712.52, 252,146.60 and 102,131.40 is: 140,943.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,712.52 : 252,146.60 = 102,131.40 : x
  2. Step 2: Convert to fraction form
    182,712.52/252,146.60 = 102,131.40/x
  3. Step 3: Cross multiply
    182,712.52x = 252,146.60 × 102,131.40
  4. Step 4: Simplify right side
    182,712.52x = 25,752,085,263.24
  5. Step 5: Solve for x
    x = 25,752,085,263.24/182,712.52
  6. Step 6: Final answer
    x = 140,943.19

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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.