Home / 153,868.52-230,911.19-54,036.50

Finding the Fourth Proportional to 153,868.52, 230,911.19 and 54,036.50

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Solution

The fourth proportional to 153,868.52, 230,911.19 and 54,036.50 is: 81,092.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,868.52 : 230,911.19 = 54,036.50 : x
  2. Step 2: Convert to fraction form
    153,868.52/230,911.19 = 54,036.50/x
  3. Step 3: Cross multiply
    153,868.52x = 230,911.19 × 54,036.50
  4. Step 4: Simplify right side
    153,868.52x = 12,477,631,296.33
  5. Step 5: Solve for x
    x = 12,477,631,296.33/153,868.52
  6. Step 6: Final answer
    x = 81,092.81

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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.