Home / 113,367.39-156,440.18-62,378.25

Finding the Fourth Proportional to 113,367.39, 156,440.18 and 62,378.25

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Solution

The fourth proportional to 113,367.39, 156,440.18 and 62,378.25 is: 86,078.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,367.39 : 156,440.18 = 62,378.25 : x
  2. Step 2: Convert to fraction form
    113,367.39/156,440.18 = 62,378.25/x
  3. Step 3: Cross multiply
    113,367.39x = 156,440.18 × 62,378.25
  4. Step 4: Simplify right side
    113,367.39x = 9,758,464,346.19
  5. Step 5: Solve for x
    x = 9,758,464,346.19/113,367.39
  6. Step 6: Final answer
    x = 86,078.23

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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.