Home / 242,347.50-334,221.82-151,711.72

Finding the Fourth Proportional to 242,347.50, 334,221.82 and 151,711.72

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Solution

The fourth proportional to 242,347.50, 334,221.82 and 151,711.72 is: 209,225.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,347.50 : 334,221.82 = 151,711.72 : x
  2. Step 2: Convert to fraction form
    242,347.50/334,221.82 = 151,711.72/x
  3. Step 3: Cross multiply
    242,347.50x = 334,221.82 × 151,711.72
  4. Step 4: Simplify right side
    242,347.50x = 50,705,365,958.90
  5. Step 5: Solve for x
    x = 50,705,365,958.90/242,347.50
  6. Step 6: Final answer
    x = 209,225.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.