Home / 272,904.12-409,273.56-95,378.04

Finding the Fourth Proportional to 272,904.12, 409,273.56 and 95,378.04

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Solution

The fourth proportional to 272,904.12, 409,273.56 and 95,378.04 is: 143,038.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,904.12 : 409,273.56 = 95,378.04 : x
  2. Step 2: Convert to fraction form
    272,904.12/409,273.56 = 95,378.04/x
  3. Step 3: Cross multiply
    272,904.12x = 409,273.56 × 95,378.04
  4. Step 4: Simplify right side
    272,904.12x = 39,035,709,976.62
  5. Step 5: Solve for x
    x = 39,035,709,976.62/272,904.12
  6. Step 6: Final answer
    x = 143,038.18

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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.