Home / 147,379.32-220,857.76-84,068.44

Finding the Fourth Proportional to 147,379.32, 220,857.76 and 84,068.44

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Solution

The fourth proportional to 147,379.32, 220,857.76 and 84,068.44 is: 125,982.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,379.32 : 220,857.76 = 84,068.44 : x
  2. Step 2: Convert to fraction form
    147,379.32/220,857.76 = 84,068.44/x
  3. Step 3: Cross multiply
    147,379.32x = 220,857.76 × 84,068.44
  4. Step 4: Simplify right side
    147,379.32x = 18,567,167,345.09
  5. Step 5: Solve for x
    x = 18,567,167,345.09/147,379.32
  6. Step 6: Final answer
    x = 125,982.18

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1.5x scale

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.