Home / 175,612.20-262,640.70-147,618.60

Finding the Fourth Proportional to 175,612.20, 262,640.70 and 147,618.60

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Solution

The fourth proportional to 175,612.20, 262,640.70 and 147,618.60 is: 220,774.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,612.20 : 262,640.70 = 147,618.60 : x
  2. Step 2: Convert to fraction form
    175,612.20/262,640.70 = 147,618.60/x
  3. Step 3: Cross multiply
    175,612.20x = 262,640.70 × 147,618.60
  4. Step 4: Simplify right side
    175,612.20x = 38,770,652,437.02
  5. Step 5: Solve for x
    x = 38,770,652,437.02/175,612.20
  6. Step 6: Final answer
    x = 220,774.25

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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.