Home / 113,519.04-156,654.72-63,218.40

Finding the Fourth Proportional to 113,519.04, 156,654.72 and 63,218.40

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Solution

The fourth proportional to 113,519.04, 156,654.72 and 63,218.40 is: 87,240.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,519.04 : 156,654.72 = 63,218.40 : x
  2. Step 2: Convert to fraction form
    113,519.04/156,654.72 = 63,218.40/x
  3. Step 3: Cross multiply
    113,519.04x = 156,654.72 × 63,218.40
  4. Step 4: Simplify right side
    113,519.04x = 9,903,460,750.85
  5. Step 5: Solve for x
    x = 9,903,460,750.85/113,519.04
  6. Step 6: Final answer
    x = 87,240.53

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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.