Home / 229,445.42-344,216.72-71,685.76

Finding the Fourth Proportional to 229,445.42, 344,216.72 and 71,685.76

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Solution

The fourth proportional to 229,445.42, 344,216.72 and 71,685.76 is: 107,543.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,445.42 : 344,216.72 = 71,685.76 : x
  2. Step 2: Convert to fraction form
    229,445.42/344,216.72 = 71,685.76/x
  3. Step 3: Cross multiply
    229,445.42x = 344,216.72 × 71,685.76
  4. Step 4: Simplify right side
    229,445.42x = 24,675,437,177.91
  5. Step 5: Solve for x
    x = 24,675,437,177.91/229,445.42
  6. Step 6: Final answer
    x = 107,543.82

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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.