Home / 147,728.25-221,592.65-36,920.25

Finding the Fourth Proportional to 147,728.25, 221,592.65 and 36,920.25

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Solution

The fourth proportional to 147,728.25, 221,592.65 and 36,920.25 is: 55,380.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,728.25 : 221,592.65 = 36,920.25 : x
  2. Step 2: Convert to fraction form
    147,728.25/221,592.65 = 36,920.25/x
  3. Step 3: Cross multiply
    147,728.25x = 221,592.65 × 36,920.25
  4. Step 4: Simplify right side
    147,728.25x = 8,181,255,851.56
  5. Step 5: Solve for x
    x = 8,181,255,851.56/147,728.25
  6. Step 6: Final answer
    x = 55,380.44

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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.