Home / 283,557.58-391,326.87-156,233.14

Finding the Fourth Proportional to 283,557.58, 391,326.87 and 156,233.14

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Solution

The fourth proportional to 283,557.58, 391,326.87 and 156,233.14 is: 215,611.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,557.58 : 391,326.87 = 156,233.14 : x
  2. Step 2: Convert to fraction form
    283,557.58/391,326.87 = 156,233.14/x
  3. Step 3: Cross multiply
    283,557.58x = 391,326.87 × 156,233.14
  4. Step 4: Simplify right side
    283,557.58x = 61,138,225,666.47
  5. Step 5: Solve for x
    x = 61,138,225,666.47/283,557.58
  6. Step 6: Final answer
    x = 215,611.33

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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.