Home / 131,600.93-181,608.76-71,171.64

Finding the Fourth Proportional to 131,600.93, 181,608.76 and 71,171.64

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Solution

The fourth proportional to 131,600.93, 181,608.76 and 71,171.64 is: 98,216.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,600.93 : 181,608.76 = 71,171.64 : x
  2. Step 2: Convert to fraction form
    131,600.93/181,608.76 = 71,171.64/x
  3. Step 3: Cross multiply
    131,600.93x = 181,608.76 × 71,171.64
  4. Step 4: Simplify right side
    131,600.93x = 12,925,393,287.57
  5. Step 5: Solve for x
    x = 12,925,393,287.57/131,600.93
  6. Step 6: Final answer
    x = 98,216.58

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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.