Home / 148,825.20-223,237.80-38,017.20

Finding the Fourth Proportional to 148,825.20, 223,237.80 and 38,017.20

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Solution

The fourth proportional to 148,825.20, 223,237.80 and 38,017.20 is: 57,025.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,825.20 : 223,237.80 = 38,017.20 : x
  2. Step 2: Convert to fraction form
    148,825.20/223,237.80 = 38,017.20/x
  3. Step 3: Cross multiply
    148,825.20x = 223,237.80 × 38,017.20
  4. Step 4: Simplify right side
    148,825.20x = 8,486,876,090.16
  5. Step 5: Solve for x
    x = 8,486,876,090.16/148,825.20
  6. Step 6: Final answer
    x = 57,025.80

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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.