Home / 261,339.36-391,698-182,024.16

Finding the Fourth Proportional to 261,339.36, 391,698 and 182,024.16

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Solution

The fourth proportional to 261,339.36, 391,698 and 182,024.16 is: 272,819.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,339.36 : 391,698 = 182,024.16 : x
  2. Step 2: Convert to fraction form
    261,339.36/391,698 = 182,024.16/x
  3. Step 3: Cross multiply
    261,339.36x = 391,698 × 182,024.16
  4. Step 4: Simplify right side
    261,339.36x = 71,298,499,423.68
  5. Step 5: Solve for x
    x = 71,298,499,423.68/261,339.36
  6. Step 6: Final answer
    x = 272,819.60

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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.