Home / 160,341.90-221,256.75-108,553.65

Finding the Fourth Proportional to 160,341.90, 221,256.75 and 108,553.65

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Solution

The fourth proportional to 160,341.90, 221,256.75 and 108,553.65 is: 149,793.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,341.90 : 221,256.75 = 108,553.65 : x
  2. Step 2: Convert to fraction form
    160,341.90/221,256.75 = 108,553.65/x
  3. Step 3: Cross multiply
    160,341.90x = 221,256.75 × 108,553.65
  4. Step 4: Simplify right side
    160,341.90x = 24,018,228,071.02
  5. Step 5: Solve for x
    x = 24,018,228,071.02/160,341.90
  6. Step 6: Final answer
    x = 149,793.83

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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.