Home / 98,215.74-147,347.19-31,662.18

Finding the Fourth Proportional to 98,215.74, 147,347.19 and 31,662.18

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Solution

The fourth proportional to 98,215.74, 147,347.19 and 31,662.18 is: 47,500.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,215.74 : 147,347.19 = 31,662.18 : x
  2. Step 2: Convert to fraction form
    98,215.74/147,347.19 = 31,662.18/x
  3. Step 3: Cross multiply
    98,215.74x = 147,347.19 × 31,662.18
  4. Step 4: Simplify right side
    98,215.74x = 4,665,333,252.27
  5. Step 5: Solve for x
    x = 4,665,333,252.27/98,215.74
  6. Step 6: Final answer
    x = 47,500.87

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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.