Home / 102,164.46-153,339.39-52,279.02

Finding the Fourth Proportional to 102,164.46, 153,339.39 and 52,279.02

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Solution

The fourth proportional to 102,164.46, 153,339.39 and 52,279.02 is: 78,465.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,164.46 : 153,339.39 = 52,279.02 : x
  2. Step 2: Convert to fraction form
    102,164.46/153,339.39 = 52,279.02/x
  3. Step 3: Cross multiply
    102,164.46x = 153,339.39 × 52,279.02
  4. Step 4: Simplify right side
    102,164.46x = 8,016,433,036.60
  5. Step 5: Solve for x
    x = 8,016,433,036.60/102,164.46
  6. Step 6: Final answer
    x = 78,465.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.