Home / 327,113.10-490,680.54-90,457.74

Finding the Fourth Proportional to 327,113.10, 490,680.54 and 90,457.74

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Solution

The fourth proportional to 327,113.10, 490,680.54 and 90,457.74 is: 135,689.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,113.10 : 490,680.54 = 90,457.74 : x
  2. Step 2: Convert to fraction form
    327,113.10/490,680.54 = 90,457.74/x
  3. Step 3: Cross multiply
    327,113.10x = 490,680.54 × 90,457.74
  4. Step 4: Simplify right side
    327,113.10x = 44,385,852,710.38
  5. Step 5: Solve for x
    x = 44,385,852,710.38/327,113.10
  6. Step 6: Final answer
    x = 135,689.62

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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.