Home / 283,498.02-391,227.19-156,173.58

Finding the Fourth Proportional to 283,498.02, 391,227.19 and 156,173.58

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Solution

The fourth proportional to 283,498.02, 391,227.19 and 156,173.58 is: 215,519.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,498.02 : 391,227.19 = 156,173.58 : x
  2. Step 2: Convert to fraction form
    283,498.02/391,227.19 = 156,173.58/x
  3. Step 3: Cross multiply
    283,498.02x = 391,227.19 × 156,173.58
  4. Step 4: Simplify right side
    283,498.02x = 61,099,350,465.21
  5. Step 5: Solve for x
    x = 61,099,350,465.21/283,498.02
  6. Step 6: Final answer
    x = 215,519.50

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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.