Home / 144,726.18-199,736.91-83,474.79

Finding the Fourth Proportional to 144,726.18, 199,736.91 and 83,474.79

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Solution

The fourth proportional to 144,726.18, 199,736.91 and 83,474.79 is: 115,203.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,726.18 : 199,736.91 = 83,474.79 : x
  2. Step 2: Convert to fraction form
    144,726.18/199,736.91 = 83,474.79/x
  3. Step 3: Cross multiply
    144,726.18x = 199,736.91 × 83,474.79
  4. Step 4: Simplify right side
    144,726.18x = 16,672,996,617.50
  5. Step 5: Solve for x
    x = 16,672,996,617.50/144,726.18
  6. Step 6: Final answer
    x = 115,203.74

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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.