Home / 188,423.20-282,634.80-48,174.40

Finding the Fourth Proportional to 188,423.20, 282,634.80 and 48,174.40

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Solution

The fourth proportional to 188,423.20, 282,634.80 and 48,174.40 is: 72,261.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,423.20 : 282,634.80 = 48,174.40 : x
  2. Step 2: Convert to fraction form
    188,423.20/282,634.80 = 48,174.40/x
  3. Step 3: Cross multiply
    188,423.20x = 282,634.80 × 48,174.40
  4. Step 4: Simplify right side
    188,423.20x = 13,615,761,909.12
  5. Step 5: Solve for x
    x = 13,615,761,909.12/188,423.20
  6. Step 6: Final answer
    x = 72,261.60

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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.