Home / 107,320.23-148,141.67-92,151.95

Finding the Fourth Proportional to 107,320.23, 148,141.67 and 92,151.95

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Solution

The fourth proportional to 107,320.23, 148,141.67 and 92,151.95 is: 127,203.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,320.23 : 148,141.67 = 92,151.95 : x
  2. Step 2: Convert to fraction form
    107,320.23/148,141.67 = 92,151.95/x
  3. Step 3: Cross multiply
    107,320.23x = 148,141.67 × 92,151.95
  4. Step 4: Simplify right side
    107,320.23x = 13,651,542,565.29
  5. Step 5: Solve for x
    x = 13,651,542,565.29/107,320.23
  6. Step 6: Final answer
    x = 127,203.81

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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.