Home / 195,328.48-269,534.64-155,139.52

Finding the Fourth Proportional to 195,328.48, 269,534.64 and 155,139.52

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Solution

The fourth proportional to 195,328.48, 269,534.64 and 155,139.52 is: 214,077.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,328.48 : 269,534.64 = 155,139.52 : x
  2. Step 2: Convert to fraction form
    195,328.48/269,534.64 = 155,139.52/x
  3. Step 3: Cross multiply
    195,328.48x = 269,534.64 × 155,139.52
  4. Step 4: Simplify right side
    195,328.48x = 41,815,474,672.97
  5. Step 5: Solve for x
    x = 41,815,474,672.97/195,328.48
  6. Step 6: Final answer
    x = 214,077.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.