Home / 148,688.80-223,292.40-144,023.20

Finding the Fourth Proportional to 148,688.80, 223,292.40 and 144,023.20

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Solution

The fourth proportional to 148,688.80, 223,292.40 and 144,023.20 is: 216,285.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,688.80 : 223,292.40 = 144,023.20 : x
  2. Step 2: Convert to fraction form
    148,688.80/223,292.40 = 144,023.20/x
  3. Step 3: Cross multiply
    148,688.80x = 223,292.40 × 144,023.20
  4. Step 4: Simplify right side
    148,688.80x = 32,159,285,983.68
  5. Step 5: Solve for x
    x = 32,159,285,983.68/148,688.80
  6. Step 6: Final answer
    x = 216,285.87

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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.