Home / 160,612.42-221,645.28-88,993.66

Finding the Fourth Proportional to 160,612.42, 221,645.28 and 88,993.66

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Solution

The fourth proportional to 160,612.42, 221,645.28 and 88,993.66 is: 122,811.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,612.42 : 221,645.28 = 88,993.66 : x
  2. Step 2: Convert to fraction form
    160,612.42/221,645.28 = 88,993.66/x
  3. Step 3: Cross multiply
    160,612.42x = 221,645.28 × 88,993.66
  4. Step 4: Simplify right side
    160,612.42x = 19,725,024,688.92
  5. Step 5: Solve for x
    x = 19,725,024,688.92/160,612.42
  6. Step 6: Final answer
    x = 122,811.33

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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.