Home / 153,822.44-230,733.56-78,900.89

Finding the Fourth Proportional to 153,822.44, 230,733.56 and 78,900.89

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Solution

The fourth proportional to 153,822.44, 230,733.56 and 78,900.89 is: 118,351.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,822.44 : 230,733.56 = 78,900.89 : x
  2. Step 2: Convert to fraction form
    153,822.44/230,733.56 = 78,900.89/x
  3. Step 3: Cross multiply
    153,822.44x = 230,733.56 × 78,900.89
  4. Step 4: Simplify right side
    153,822.44x = 18,205,082,280.45
  5. Step 5: Solve for x
    x = 18,205,082,280.45/153,822.44
  6. Step 6: Final answer
    x = 118,351.28

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1.5x scale

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.