Home / 160,140.33-220,993.71-87,543.54

Finding the Fourth Proportional to 160,140.33, 220,993.71 and 87,543.54

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Solution

The fourth proportional to 160,140.33, 220,993.71 and 87,543.54 is: 120,810.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,140.33 : 220,993.71 = 87,543.54 : x
  2. Step 2: Convert to fraction form
    160,140.33/220,993.71 = 87,543.54/x
  3. Step 3: Cross multiply
    160,140.33x = 220,993.71 × 87,543.54
  4. Step 4: Simplify right side
    160,140.33x = 19,346,571,691.13
  5. Step 5: Solve for x
    x = 19,346,571,691.13/160,140.33
  6. Step 6: Final answer
    x = 120,810.12

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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.