Home / 113,740.44-156,911.06-65,966.12

Finding the Fourth Proportional to 113,740.44, 156,911.06 and 65,966.12

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Solution

The fourth proportional to 113,740.44, 156,911.06 and 65,966.12 is: 91,003.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,740.44 : 156,911.06 = 65,966.12 : x
  2. Step 2: Convert to fraction form
    113,740.44/156,911.06 = 65,966.12/x
  3. Step 3: Cross multiply
    113,740.44x = 156,911.06 × 65,966.12
  4. Step 4: Simplify right side
    113,740.44x = 10,350,813,813.29
  5. Step 5: Solve for x
    x = 10,350,813,813.29/113,740.44
  6. Step 6: Final answer
    x = 91,003.81

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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.