Home / 115,000.92-158,705.46-64,016.28

Finding the Fourth Proportional to 115,000.92, 158,705.46 and 64,016.28

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Solution

The fourth proportional to 115,000.92, 158,705.46 and 64,016.28 is: 88,344.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,000.92 : 158,705.46 = 64,016.28 : x
  2. Step 2: Convert to fraction form
    115,000.92/158,705.46 = 64,016.28/x
  3. Step 3: Cross multiply
    115,000.92x = 158,705.46 × 64,016.28
  4. Step 4: Simplify right side
    115,000.92x = 10,159,733,164.89
  5. Step 5: Solve for x
    x = 10,159,733,164.89/115,000.92
  6. Step 6: Final answer
    x = 88,344.80

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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.