Home / 267,997.12-401,470.08-155,440.80

Finding the Fourth Proportional to 267,997.12, 401,470.08 and 155,440.80

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Solution

The fourth proportional to 267,997.12, 401,470.08 and 155,440.80 is: 232,856.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,997.12 : 401,470.08 = 155,440.80 : x
  2. Step 2: Convert to fraction form
    267,997.12/401,470.08 = 155,440.80/x
  3. Step 3: Cross multiply
    267,997.12x = 401,470.08 × 155,440.80
  4. Step 4: Simplify right side
    267,997.12x = 62,404,830,411.26
  5. Step 5: Solve for x
    x = 62,404,830,411.26/267,997.12
  6. Step 6: Final answer
    x = 232,856.35

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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.