Home / 113,095.40-156,052.94-65,353.19

Finding the Fourth Proportional to 113,095.40, 156,052.94 and 65,353.19

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Solution

The fourth proportional to 113,095.40, 156,052.94 and 65,353.19 is: 90,176.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,095.40 : 156,052.94 = 65,353.19 : x
  2. Step 2: Convert to fraction form
    113,095.40/156,052.94 = 65,353.19/x
  3. Step 3: Cross multiply
    113,095.40x = 156,052.94 × 65,353.19
  4. Step 4: Simplify right side
    113,095.40x = 10,198,556,330.85
  5. Step 5: Solve for x
    x = 10,198,556,330.85/113,095.40
  6. Step 6: Final answer
    x = 90,176.58

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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.