Home / 113,552.20-169,925.10-98,921.80

Finding the Fourth Proportional to 113,552.20, 169,925.10 and 98,921.80

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Solution

The fourth proportional to 113,552.20, 169,925.10 and 98,921.80 is: 148,031.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,552.20 : 169,925.10 = 98,921.80 : x
  2. Step 2: Convert to fraction form
    113,552.20/169,925.10 = 98,921.80/x
  3. Step 3: Cross multiply
    113,552.20x = 169,925.10 × 98,921.80
  4. Step 4: Simplify right side
    113,552.20x = 16,809,296,757.18
  5. Step 5: Solve for x
    x = 16,809,296,757.18/113,552.20
  6. Step 6: Final answer
    x = 148,031.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.