Home / 160,707.54-221,761.48-89,081.47

Finding the Fourth Proportional to 160,707.54, 221,761.48 and 89,081.47

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Solution

The fourth proportional to 160,707.54, 221,761.48 and 89,081.47 is: 122,924.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,707.54 : 221,761.48 = 89,081.47 : x
  2. Step 2: Convert to fraction form
    160,707.54/221,761.48 = 89,081.47/x
  3. Step 3: Cross multiply
    160,707.54x = 221,761.48 × 89,081.47
  4. Step 4: Simplify right side
    160,707.54x = 19,754,837,073.56
  5. Step 5: Solve for x
    x = 19,754,837,073.56/160,707.54
  6. Step 6: Final answer
    x = 122,924.15

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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.