Home / 283,724.58-391,539.84-156,402.30

Finding the Fourth Proportional to 283,724.58, 391,539.84 and 156,402.30

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Solution

The fourth proportional to 283,724.58, 391,539.84 and 156,402.30 is: 215,835.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,724.58 : 391,539.84 = 156,402.30 : x
  2. Step 2: Convert to fraction form
    283,724.58/391,539.84 = 156,402.30/x
  3. Step 3: Cross multiply
    283,724.58x = 391,539.84 × 156,402.30
  4. Step 4: Simplify right side
    283,724.58x = 61,237,731,517.63
  5. Step 5: Solve for x
    x = 61,237,731,517.63/283,724.58
  6. Step 6: Final answer
    x = 215,835.13

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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.