Home / 122,031.20-183,046.80-88,594.40

Finding the Fourth Proportional to 122,031.20, 183,046.80 and 88,594.40

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Solution

The fourth proportional to 122,031.20, 183,046.80 and 88,594.40 is: 132,891.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,031.20 : 183,046.80 = 88,594.40 : x
  2. Step 2: Convert to fraction form
    122,031.20/183,046.80 = 88,594.40/x
  3. Step 3: Cross multiply
    122,031.20x = 183,046.80 × 88,594.40
  4. Step 4: Simplify right side
    122,031.20x = 16,216,921,417.92
  5. Step 5: Solve for x
    x = 16,216,921,417.92/122,031.20
  6. Step 6: Final answer
    x = 132,891.60

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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.