Home / 235,115.73-324,456.63-127,686.45

Finding the Fourth Proportional to 235,115.73, 324,456.63 and 127,686.45

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Solution

The fourth proportional to 235,115.73, 324,456.63 and 127,686.45 is: 176,205.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,115.73 : 324,456.63 = 127,686.45 : x
  2. Step 2: Convert to fraction form
    235,115.73/324,456.63 = 127,686.45/x
  3. Step 3: Cross multiply
    235,115.73x = 324,456.63 × 127,686.45
  4. Step 4: Simplify right side
    235,115.73x = 41,428,715,263.66
  5. Step 5: Solve for x
    x = 41,428,715,263.66/235,115.73
  6. Step 6: Final answer
    x = 176,205.63

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1.5x scale

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.