Home / 261,024.60-391,208.85-127,617.60

Finding the Fourth Proportional to 261,024.60, 391,208.85 and 127,617.60

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Solution

The fourth proportional to 261,024.60, 391,208.85 and 127,617.60 is: 191,266.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,024.60 : 391,208.85 = 127,617.60 : x
  2. Step 2: Convert to fraction form
    261,024.60/391,208.85 = 127,617.60/x
  3. Step 3: Cross multiply
    261,024.60x = 391,208.85 × 127,617.60
  4. Step 4: Simplify right side
    261,024.60x = 49,925,134,535.76
  5. Step 5: Solve for x
    x = 49,925,134,535.76/261,024.60
  6. Step 6: Final answer
    x = 191,266.01

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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.