Home / 260,458.30-390,687.45-94,224.70

Finding the Fourth Proportional to 260,458.30, 390,687.45 and 94,224.70

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Solution

The fourth proportional to 260,458.30, 390,687.45 and 94,224.70 is: 141,337.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,458.30 : 390,687.45 = 94,224.70 : x
  2. Step 2: Convert to fraction form
    260,458.30/390,687.45 = 94,224.70/x
  3. Step 3: Cross multiply
    260,458.30x = 390,687.45 × 94,224.70
  4. Step 4: Simplify right side
    260,458.30x = 36,812,407,770.02
  5. Step 5: Solve for x
    x = 36,812,407,770.02/260,458.30
  6. Step 6: Final answer
    x = 141,337.05

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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.