Home / 115,214.41-158,995.20-67,458.16

Finding the Fourth Proportional to 115,214.41, 158,995.20 and 67,458.16

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Solution

The fourth proportional to 115,214.41, 158,995.20 and 67,458.16 is: 93,091.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,214.41 : 158,995.20 = 67,458.16 : x
  2. Step 2: Convert to fraction form
    115,214.41/158,995.20 = 67,458.16/x
  3. Step 3: Cross multiply
    115,214.41x = 158,995.20 × 67,458.16
  4. Step 4: Simplify right side
    115,214.41x = 10,725,523,640.83
  5. Step 5: Solve for x
    x = 10,725,523,640.83/115,214.41
  6. Step 6: Final answer
    x = 93,091.86

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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.