Home / 115,152.10-158,906.97-64,165.06

Finding the Fourth Proportional to 115,152.10, 158,906.97 and 64,165.06

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Solution

The fourth proportional to 115,152.10, 158,906.97 and 64,165.06 is: 88,546.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,152.10 : 158,906.97 = 64,165.06 : x
  2. Step 2: Convert to fraction form
    115,152.10/158,906.97 = 64,165.06/x
  3. Step 3: Cross multiply
    115,152.10x = 158,906.97 × 64,165.06
  4. Step 4: Simplify right side
    115,152.10x = 10,196,275,264.47
  5. Step 5: Solve for x
    x = 10,196,275,264.47/115,152.10
  6. Step 6: Final answer
    x = 88,546.15

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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.