Home / 113,286.74-156,337.49-62,301.69

Finding the Fourth Proportional to 113,286.74, 156,337.49 and 62,301.69

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Solution

The fourth proportional to 113,286.74, 156,337.49 and 62,301.69 is: 85,977.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,286.74 : 156,337.49 = 62,301.69 : x
  2. Step 2: Convert to fraction form
    113,286.74/156,337.49 = 62,301.69/x
  3. Step 3: Cross multiply
    113,286.74x = 156,337.49 × 62,301.69
  4. Step 4: Simplify right side
    113,286.74x = 9,740,089,993.11
  5. Step 5: Solve for x
    x = 9,740,089,993.11/113,286.74
  6. Step 6: Final answer
    x = 85,977.32

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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.