Home / 160,625.13-221,671.52-89,003.58

Finding the Fourth Proportional to 160,625.13, 221,671.52 and 89,003.58

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Solution

The fourth proportional to 160,625.13, 221,671.52 and 89,003.58 is: 122,829.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,625.13 : 221,671.52 = 89,003.58 : x
  2. Step 2: Convert to fraction form
    160,625.13/221,671.52 = 89,003.58/x
  3. Step 3: Cross multiply
    160,625.13x = 221,671.52 × 89,003.58
  4. Step 4: Simplify right side
    160,625.13x = 19,729,558,864.04
  5. Step 5: Solve for x
    x = 19,729,558,864.04/160,625.13
  6. Step 6: Final answer
    x = 122,829.84

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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.