Home / 269,431.68-371,897.28-156,282.24

Finding the Fourth Proportional to 269,431.68, 371,897.28 and 156,282.24

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Solution

The fourth proportional to 269,431.68, 371,897.28 and 156,282.24 is: 215,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,431.68 : 371,897.28 = 156,282.24 : x
  2. Step 2: Convert to fraction form
    269,431.68/371,897.28 = 156,282.24/x
  3. Step 3: Cross multiply
    269,431.68x = 371,897.28 × 156,282.24
  4. Step 4: Simplify right side
    269,431.68x = 58,120,939,968.31
  5. Step 5: Solve for x
    x = 58,120,939,968.31/269,431.68
  6. Step 6: Final answer
    x = 215,716.80

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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.