Home / 147,007.20-220,621.74-107,666.30

Finding the Fourth Proportional to 147,007.20, 220,621.74 and 107,666.30

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Solution

The fourth proportional to 147,007.20, 220,621.74 and 107,666.30 is: 161,580.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,007.20 : 220,621.74 = 107,666.30 : x
  2. Step 2: Convert to fraction form
    147,007.20/220,621.74 = 107,666.30/x
  3. Step 3: Cross multiply
    147,007.20x = 220,621.74 × 107,666.30
  4. Step 4: Simplify right side
    147,007.20x = 23,753,526,445.36
  5. Step 5: Solve for x
    x = 23,753,526,445.36/147,007.20
  6. Step 6: Final answer
    x = 161,580.70

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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.