Home / 153,610.20-230,439.60-53,767.98

Finding the Fourth Proportional to 153,610.20, 230,439.60 and 53,767.98

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Solution

The fourth proportional to 153,610.20, 230,439.60 and 53,767.98 is: 80,660.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,610.20 : 230,439.60 = 53,767.98 : x
  2. Step 2: Convert to fraction form
    153,610.20/230,439.60 = 53,767.98/x
  3. Step 3: Cross multiply
    153,610.20x = 230,439.60 × 53,767.98
  4. Step 4: Simplify right side
    153,610.20x = 12,390,271,804.01
  5. Step 5: Solve for x
    x = 12,390,271,804.01/153,610.20
  6. Step 6: Final answer
    x = 80,660.48

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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.