Home / 148,973.60-223,460.40-137,601.20

Finding the Fourth Proportional to 148,973.60, 223,460.40 and 137,601.20

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Solution

The fourth proportional to 148,973.60, 223,460.40 and 137,601.20 is: 206,401.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,973.60 : 223,460.40 = 137,601.20 : x
  2. Step 2: Convert to fraction form
    148,973.60/223,460.40 = 137,601.20/x
  3. Step 3: Cross multiply
    148,973.60x = 223,460.40 × 137,601.20
  4. Step 4: Simplify right side
    148,973.60x = 30,748,419,192.48
  5. Step 5: Solve for x
    x = 30,748,419,192.48/148,973.60
  6. Step 6: Final answer
    x = 206,401.80

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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.