Home / 160,660.06-221,710.88-89,044.70

Finding the Fourth Proportional to 160,660.06, 221,710.88 and 89,044.70

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Solution

The fourth proportional to 160,660.06, 221,710.88 and 89,044.70 is: 122,881.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,660.06 : 221,710.88 = 89,044.70 : x
  2. Step 2: Convert to fraction form
    160,660.06/221,710.88 = 89,044.70/x
  3. Step 3: Cross multiply
    160,660.06x = 221,710.88 × 89,044.70
  4. Step 4: Simplify right side
    160,660.06x = 19,742,177,910.39
  5. Step 5: Solve for x
    x = 19,742,177,910.39/160,660.06
  6. Step 6: Final answer
    x = 122,881.68

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1.5x scale

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.