Home / 148,680.80-223,280.40-144,015.20

Finding the Fourth Proportional to 148,680.80, 223,280.40 and 144,015.20

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Solution

The fourth proportional to 148,680.80, 223,280.40 and 144,015.20 is: 216,273.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,680.80 : 223,280.40 = 144,015.20 : x
  2. Step 2: Convert to fraction form
    148,680.80/223,280.40 = 144,015.20/x
  3. Step 3: Cross multiply
    148,680.80x = 223,280.40 × 144,015.20
  4. Step 4: Simplify right side
    148,680.80x = 32,155,771,462.08
  5. Step 5: Solve for x
    x = 32,155,771,462.08/148,680.80
  6. Step 6: Final answer
    x = 216,273.87

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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.