Home / 160,341.42-221,256.09-108,553.17

Finding the Fourth Proportional to 160,341.42, 221,256.09 and 108,553.17

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Solution

The fourth proportional to 160,341.42, 221,256.09 and 108,553.17 is: 149,793.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,341.42 : 221,256.09 = 108,553.17 : x
  2. Step 2: Convert to fraction form
    160,341.42/221,256.09 = 108,553.17/x
  3. Step 3: Cross multiply
    160,341.42x = 221,256.09 × 108,553.17
  4. Step 4: Simplify right side
    160,341.42x = 24,018,049,847.59
  5. Step 5: Solve for x
    x = 24,018,049,847.59/160,341.42
  6. Step 6: Final answer
    x = 149,793.17

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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.