Home / 151,280.80-226,532.40-111,623.20

Finding the Fourth Proportional to 151,280.80, 226,532.40 and 111,623.20

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Solution

The fourth proportional to 151,280.80, 226,532.40 and 111,623.20 is: 167,147.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,280.80 : 226,532.40 = 111,623.20 : x
  2. Step 2: Convert to fraction form
    151,280.80/226,532.40 = 111,623.20/x
  3. Step 3: Cross multiply
    151,280.80x = 226,532.40 × 111,623.20
  4. Step 4: Simplify right side
    151,280.80x = 25,286,271,391.68
  5. Step 5: Solve for x
    x = 25,286,271,391.68/151,280.80
  6. Step 6: Final answer
    x = 167,147.92

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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.