Home / 160,029.89-240,109.38-71,222.65

Finding the Fourth Proportional to 160,029.89, 240,109.38 and 71,222.65

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Solution

The fourth proportional to 160,029.89, 240,109.38 and 71,222.65 is: 106,862.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,029.89 : 240,109.38 = 71,222.65 : x
  2. Step 2: Convert to fraction form
    160,029.89/240,109.38 = 71,222.65/x
  3. Step 3: Cross multiply
    160,029.89x = 240,109.38 × 71,222.65
  4. Step 4: Simplify right side
    160,029.89x = 17,101,224,776.80
  5. Step 5: Solve for x
    x = 17,101,224,776.80/160,029.89
  6. Step 6: Final answer
    x = 106,862.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.