Home / 229,945.55-344,932.91-72,180.23

Finding the Fourth Proportional to 229,945.55, 344,932.91 and 72,180.23

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Solution

The fourth proportional to 229,945.55, 344,932.91 and 72,180.23 is: 108,274.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,945.55 : 344,932.91 = 72,180.23 : x
  2. Step 2: Convert to fraction form
    229,945.55/344,932.91 = 72,180.23/x
  3. Step 3: Cross multiply
    229,945.55x = 344,932.91 × 72,180.23
  4. Step 4: Simplify right side
    229,945.55x = 24,897,337,309.74
  5. Step 5: Solve for x
    x = 24,897,337,309.74/229,945.55
  6. Step 6: Final answer
    x = 108,274.93

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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.