Home / 206,947.10-310,457.10-73,904.60

Finding the Fourth Proportional to 206,947.10, 310,457.10 and 73,904.60

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Solution

The fourth proportional to 206,947.10, 310,457.10 and 73,904.60 is: 110,869.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,947.10 : 310,457.10 = 73,904.60 : x
  2. Step 2: Convert to fraction form
    206,947.10/310,457.10 = 73,904.60/x
  3. Step 3: Cross multiply
    206,947.10x = 310,457.10 × 73,904.60
  4. Step 4: Simplify right side
    206,947.10x = 22,944,207,792.66
  5. Step 5: Solve for x
    x = 22,944,207,792.66/206,947.10
  6. Step 6: Final answer
    x = 110,869.92

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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.