Home / 175,084.60-262,626.90-86,511.10

Finding the Fourth Proportional to 175,084.60, 262,626.90 and 86,511.10

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Solution

The fourth proportional to 175,084.60, 262,626.90 and 86,511.10 is: 129,766.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,084.60 : 262,626.90 = 86,511.10 : x
  2. Step 2: Convert to fraction form
    175,084.60/262,626.90 = 86,511.10/x
  3. Step 3: Cross multiply
    175,084.60x = 262,626.90 × 86,511.10
  4. Step 4: Simplify right side
    175,084.60x = 22,720,142,008.59
  5. Step 5: Solve for x
    x = 22,720,142,008.59/175,084.60
  6. Step 6: Final answer
    x = 129,766.65

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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.