Home / 261,551.03-359,807.83-229,139.69

Finding the Fourth Proportional to 261,551.03, 359,807.83 and 229,139.69

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Solution

The fourth proportional to 261,551.03, 359,807.83 and 229,139.69 is: 315,220.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,551.03 : 359,807.83 = 229,139.69 : x
  2. Step 2: Convert to fraction form
    261,551.03/359,807.83 = 229,139.69/x
  3. Step 3: Cross multiply
    261,551.03x = 359,807.83 × 229,139.69
  4. Step 4: Simplify right side
    261,551.03x = 82,446,253,480.07
  5. Step 5: Solve for x
    x = 82,446,253,480.07/261,551.03
  6. Step 6: Final answer
    x = 315,220.53

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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.