Home / 147,116.85-220,379.88-124,530.81

Finding the Fourth Proportional to 147,116.85, 220,379.88 and 124,530.81

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Solution

The fourth proportional to 147,116.85, 220,379.88 and 124,530.81 is: 186,546.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,116.85 : 220,379.88 = 124,530.81 : x
  2. Step 2: Convert to fraction form
    147,116.85/220,379.88 = 124,530.81/x
  3. Step 3: Cross multiply
    147,116.85x = 220,379.88 × 124,530.81
  4. Step 4: Simplify right side
    147,116.85x = 27,444,084,964.10
  5. Step 5: Solve for x
    x = 27,444,084,964.10/147,116.85
  6. Step 6: Final answer
    x = 186,546.17

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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.