Home / 160,664.70-221,713.86-89,044.08

Finding the Fourth Proportional to 160,664.70, 221,713.86 and 89,044.08

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Solution

The fourth proportional to 160,664.70, 221,713.86 and 89,044.08 is: 122,878.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,664.70 : 221,713.86 = 89,044.08 : x
  2. Step 2: Convert to fraction form
    160,664.70/221,713.86 = 89,044.08/x
  3. Step 3: Cross multiply
    160,664.70x = 221,713.86 × 89,044.08
  4. Step 4: Simplify right side
    160,664.70x = 19,742,306,686.95
  5. Step 5: Solve for x
    x = 19,742,306,686.95/160,664.70
  6. Step 6: Final answer
    x = 122,878.93

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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.