Home / 155,301.50-232,786.08-80,346.14

Finding the Fourth Proportional to 155,301.50, 232,786.08 and 80,346.14

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Solution

The fourth proportional to 155,301.50, 232,786.08 and 80,346.14 is: 120,433.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,301.50 : 232,786.08 = 80,346.14 : x
  2. Step 2: Convert to fraction form
    155,301.50/232,786.08 = 80,346.14/x
  3. Step 3: Cross multiply
    155,301.50x = 232,786.08 × 80,346.14
  4. Step 4: Simplify right side
    155,301.50x = 18,703,462,973.73
  5. Step 5: Solve for x
    x = 18,703,462,973.73/155,301.50
  6. Step 6: Final answer
    x = 120,433.24

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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.