Home / 154,987.29-232,479.32-49,806.36

Finding the Fourth Proportional to 154,987.29, 232,479.32 and 49,806.36

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Solution

The fourth proportional to 154,987.29, 232,479.32 and 49,806.36 is: 74,709.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,987.29 : 232,479.32 = 49,806.36 : x
  2. Step 2: Convert to fraction form
    154,987.29/232,479.32 = 49,806.36/x
  3. Step 3: Cross multiply
    154,987.29x = 232,479.32 × 49,806.36
  4. Step 4: Simplify right side
    154,987.29x = 11,578,948,455.44
  5. Step 5: Solve for x
    x = 11,578,948,455.44/154,987.29
  6. Step 6: Final answer
    x = 74,709.02

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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.