Home / 188,295.20-282,248.40-135,522.08

Finding the Fourth Proportional to 188,295.20, 282,248.40 and 135,522.08

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Solution

The fourth proportional to 188,295.20, 282,248.40 and 135,522.08 is: 203,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,295.20 : 282,248.40 = 135,522.08 : x
  2. Step 2: Convert to fraction form
    188,295.20/282,248.40 = 135,522.08/x
  3. Step 3: Cross multiply
    188,295.20x = 282,248.40 × 135,522.08
  4. Step 4: Simplify right side
    188,295.20x = 38,250,890,244.67
  5. Step 5: Solve for x
    x = 38,250,890,244.67/188,295.20
  6. Step 6: Final answer
    x = 203,143.20

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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.