Home / 154,006.16-231,009.88-47,389.44

Finding the Fourth Proportional to 154,006.16, 231,009.88 and 47,389.44

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Solution

The fourth proportional to 154,006.16, 231,009.88 and 47,389.44 is: 71,084.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,006.16 : 231,009.88 = 47,389.44 : x
  2. Step 2: Convert to fraction form
    154,006.16/231,009.88 = 47,389.44/x
  3. Step 3: Cross multiply
    154,006.16x = 231,009.88 × 47,389.44
  4. Step 4: Simplify right side
    154,006.16x = 10,947,428,847.67
  5. Step 5: Solve for x
    x = 10,947,428,847.67/154,006.16
  6. Step 6: Final answer
    x = 71,084.36

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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.