Home / 147,032.20-220,548.30-105,560.20

Finding the Fourth Proportional to 147,032.20, 220,548.30 and 105,560.20

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Solution

The fourth proportional to 147,032.20, 220,548.30 and 105,560.20 is: 158,340.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,032.20 : 220,548.30 = 105,560.20 : x
  2. Step 2: Convert to fraction form
    147,032.20/220,548.30 = 105,560.20/x
  3. Step 3: Cross multiply
    147,032.20x = 220,548.30 × 105,560.20
  4. Step 4: Simplify right side
    147,032.20x = 23,281,122,657.66
  5. Step 5: Solve for x
    x = 23,281,122,657.66/147,032.20
  6. Step 6: Final answer
    x = 158,340.30

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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.