Home / 147,182.27-220,806-53,688.02

Finding the Fourth Proportional to 147,182.27, 220,806 and 53,688.02

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Solution

The fourth proportional to 147,182.27, 220,806 and 53,688.02 is: 80,543.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,182.27 : 220,806 = 53,688.02 : x
  2. Step 2: Convert to fraction form
    147,182.27/220,806 = 53,688.02/x
  3. Step 3: Cross multiply
    147,182.27x = 220,806 × 53,688.02
  4. Step 4: Simplify right side
    147,182.27x = 11,854,635,840.09
  5. Step 5: Solve for x
    x = 11,854,635,840.09/147,182.27
  6. Step 6: Final answer
    x = 80,543.91

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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.