Home / 385,082.34-531,236.82-249,160.59

Finding the Fourth Proportional to 385,082.34, 531,236.82 and 249,160.59

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Solution

The fourth proportional to 385,082.34, 531,236.82 and 249,160.59 is: 343,727.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,082.34 : 531,236.82 = 249,160.59 : x
  2. Step 2: Convert to fraction form
    385,082.34/531,236.82 = 249,160.59/x
  3. Step 3: Cross multiply
    385,082.34x = 531,236.82 × 249,160.59
  4. Step 4: Simplify right side
    385,082.34x = 132,363,279,500.92
  5. Step 5: Solve for x
    x = 132,363,279,500.92/385,082.34
  6. Step 6: Final answer
    x = 343,727.21

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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.