Home / 261,024.20-391,497.90-74,054.60

Finding the Fourth Proportional to 261,024.20, 391,497.90 and 74,054.60

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Solution

The fourth proportional to 261,024.20, 391,497.90 and 74,054.60 is: 111,071.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,024.20 : 391,497.90 = 74,054.60 : x
  2. Step 2: Convert to fraction form
    261,024.20/391,497.90 = 74,054.60/x
  3. Step 3: Cross multiply
    261,024.20x = 391,497.90 × 74,054.60
  4. Step 4: Simplify right side
    261,024.20x = 28,992,220,385.34
  5. Step 5: Solve for x
    x = 28,992,220,385.34/261,024.20
  6. Step 6: Final answer
    x = 111,071.01

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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.