Home / 148,031.20-222,046.80-124,411.60

Finding the Fourth Proportional to 148,031.20, 222,046.80 and 124,411.60

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Solution

The fourth proportional to 148,031.20, 222,046.80 and 124,411.60 is: 186,617.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,031.20 : 222,046.80 = 124,411.60 : x
  2. Step 2: Convert to fraction form
    148,031.20/222,046.80 = 124,411.60/x
  3. Step 3: Cross multiply
    148,031.20x = 222,046.80 × 124,411.60
  4. Step 4: Simplify right side
    148,031.20x = 27,625,197,662.88
  5. Step 5: Solve for x
    x = 27,625,197,662.88/148,031.20
  6. Step 6: Final answer
    x = 186,617.40

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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.