Home / 106,155.24-159,260.40-31,278.03

Finding the Fourth Proportional to 106,155.24, 159,260.40 and 31,278.03

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Solution

The fourth proportional to 106,155.24, 159,260.40 and 31,278.03 is: 46,925.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,155.24 : 159,260.40 = 31,278.03 : x
  2. Step 2: Convert to fraction form
    106,155.24/159,260.40 = 31,278.03/x
  3. Step 3: Cross multiply
    106,155.24x = 159,260.40 × 31,278.03
  4. Step 4: Simplify right side
    106,155.24x = 4,981,351,569.01
  5. Step 5: Solve for x
    x = 4,981,351,569.01/106,155.24
  6. Step 6: Final answer
    x = 46,925.16

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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.