Home / 160,618.45-221,653.24-89,003.11

Finding the Fourth Proportional to 160,618.45, 221,653.24 and 89,003.11

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Solution

The fourth proportional to 160,618.45, 221,653.24 and 89,003.11 is: 122,824.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,618.45 : 221,653.24 = 89,003.11 : x
  2. Step 2: Convert to fraction form
    160,618.45/221,653.24 = 89,003.11/x
  3. Step 3: Cross multiply
    160,618.45x = 221,653.24 × 89,003.11
  4. Step 4: Simplify right side
    160,618.45x = 19,727,827,701.58
  5. Step 5: Solve for x
    x = 19,727,827,701.58/160,618.45
  6. Step 6: Final answer
    x = 122,824.17

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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.