Home / 283,708.02-391,514.56-154,646.52

Finding the Fourth Proportional to 283,708.02, 391,514.56 and 154,646.52

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Solution

The fourth proportional to 283,708.02, 391,514.56 and 154,646.52 is: 213,410.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,708.02 : 391,514.56 = 154,646.52 : x
  2. Step 2: Convert to fraction form
    283,708.02/391,514.56 = 154,646.52/x
  3. Step 3: Cross multiply
    283,708.02x = 391,514.56 × 154,646.52
  4. Step 4: Simplify right side
    283,708.02x = 60,546,363,248.42
  5. Step 5: Solve for x
    x = 60,546,363,248.42/283,708.02
  6. Step 6: Final answer
    x = 213,410.83

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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.