Home / 261,196.92-360,448.38-153,771.48

Finding the Fourth Proportional to 261,196.92, 360,448.38 and 153,771.48

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Solution

The fourth proportional to 261,196.92, 360,448.38 and 153,771.48 is: 212,202.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,196.92 : 360,448.38 = 153,771.48 : x
  2. Step 2: Convert to fraction form
    261,196.92/360,448.38 = 153,771.48/x
  3. Step 3: Cross multiply
    261,196.92x = 360,448.38 × 153,771.48
  4. Step 4: Simplify right side
    261,196.92x = 55,426,680,856.20
  5. Step 5: Solve for x
    x = 55,426,680,856.20/261,196.92
  6. Step 6: Final answer
    x = 212,202.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.