Home / 147,182.55-220,806.72-53,688.30

Finding the Fourth Proportional to 147,182.55, 220,806.72 and 53,688.30

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Solution

The fourth proportional to 147,182.55, 220,806.72 and 53,688.30 is: 80,544.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,182.55 : 220,806.72 = 53,688.30 : x
  2. Step 2: Convert to fraction form
    147,182.55/220,806.72 = 53,688.30/x
  3. Step 3: Cross multiply
    147,182.55x = 220,806.72 × 53,688.30
  4. Step 4: Simplify right side
    147,182.55x = 11,854,737,425.38
  5. Step 5: Solve for x
    x = 11,854,737,425.38/147,182.55
  6. Step 6: Final answer
    x = 80,544.45

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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.