Home / 147,260.90-220,891.35-72,392.60

Finding the Fourth Proportional to 147,260.90, 220,891.35 and 72,392.60

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Solution

The fourth proportional to 147,260.90, 220,891.35 and 72,392.60 is: 108,588.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,260.90 : 220,891.35 = 72,392.60 : x
  2. Step 2: Convert to fraction form
    147,260.90/220,891.35 = 72,392.60/x
  3. Step 3: Cross multiply
    147,260.90x = 220,891.35 × 72,392.60
  4. Step 4: Simplify right side
    147,260.90x = 15,990,899,144.01
  5. Step 5: Solve for x
    x = 15,990,899,144.01/147,260.90
  6. Step 6: Final answer
    x = 108,588.90

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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.