Home / 160,356.40-221,275.83-88,726.48

Finding the Fourth Proportional to 160,356.40, 221,275.83 and 88,726.48

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Solution

The fourth proportional to 160,356.40, 221,275.83 and 88,726.48 is: 122,433.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,356.40 : 221,275.83 = 88,726.48 : x
  2. Step 2: Convert to fraction form
    160,356.40/221,275.83 = 88,726.48/x
  3. Step 3: Cross multiply
    160,356.40x = 221,275.83 × 88,726.48
  4. Step 4: Simplify right side
    160,356.40x = 19,633,025,504.98
  5. Step 5: Solve for x
    x = 19,633,025,504.98/160,356.40
  6. Step 6: Final answer
    x = 122,433.69

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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.