Home / 283,739.04-391,562.52-156,419.16

Finding the Fourth Proportional to 283,739.04, 391,562.52 and 156,419.16

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Solution

The fourth proportional to 283,739.04, 391,562.52 and 156,419.16 is: 215,859.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,739.04 : 391,562.52 = 156,419.16 : x
  2. Step 2: Convert to fraction form
    283,739.04/391,562.52 = 156,419.16/x
  3. Step 3: Cross multiply
    283,739.04x = 391,562.52 × 156,419.16
  4. Step 4: Simplify right side
    283,739.04x = 61,247,880,465.88
  5. Step 5: Solve for x
    x = 61,247,880,465.88/283,739.04
  6. Step 6: Final answer
    x = 215,859.90

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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.