Home / 147,085.44-220,386.24-84,808.32

Finding the Fourth Proportional to 147,085.44, 220,386.24 and 84,808.32

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Solution

The fourth proportional to 147,085.44, 220,386.24 and 84,808.32 is: 127,072.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,085.44 : 220,386.24 = 84,808.32 : x
  2. Step 2: Convert to fraction form
    147,085.44/220,386.24 = 84,808.32/x
  3. Step 3: Cross multiply
    147,085.44x = 220,386.24 × 84,808.32
  4. Step 4: Simplify right side
    147,085.44x = 18,690,586,765.52
  5. Step 5: Solve for x
    x = 18,690,586,765.52/147,085.44
  6. Step 6: Final answer
    x = 127,072.99

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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.