Home / 269,389.68-371,839.32-156,240.24

Finding the Fourth Proportional to 269,389.68, 371,839.32 and 156,240.24

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Solution

The fourth proportional to 269,389.68, 371,839.32 and 156,240.24 is: 215,658.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,389.68 : 371,839.32 = 156,240.24 : x
  2. Step 2: Convert to fraction form
    269,389.68/371,839.32 = 156,240.24/x
  3. Step 3: Cross multiply
    269,389.68x = 371,839.32 × 156,240.24
  4. Step 4: Simplify right side
    269,389.68x = 58,096,264,598.24
  5. Step 5: Solve for x
    x = 58,096,264,598.24/269,389.68
  6. Step 6: Final answer
    x = 215,658.84

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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.