Home / 147,234.16-220,572.60-87,082.48

Finding the Fourth Proportional to 147,234.16, 220,572.60 and 87,082.48

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Solution

The fourth proportional to 147,234.16, 220,572.60 and 87,082.48 is: 130,458.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,234.16 : 220,572.60 = 87,082.48 : x
  2. Step 2: Convert to fraction form
    147,234.16/220,572.60 = 87,082.48/x
  3. Step 3: Cross multiply
    147,234.16x = 220,572.60 × 87,082.48
  4. Step 4: Simplify right side
    147,234.16x = 19,208,009,028.05
  5. Step 5: Solve for x
    x = 19,208,009,028.05/147,234.16
  6. Step 6: Final answer
    x = 130,458.92

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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.