Home / 167,815.80-251,723.70-154,985.40

Finding the Fourth Proportional to 167,815.80, 251,723.70 and 154,985.40

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Solution

The fourth proportional to 167,815.80, 251,723.70 and 154,985.40 is: 232,478.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,815.80 : 251,723.70 = 154,985.40 : x
  2. Step 2: Convert to fraction form
    167,815.80/251,723.70 = 154,985.40/x
  3. Step 3: Cross multiply
    167,815.80x = 251,723.70 × 154,985.40
  4. Step 4: Simplify right side
    167,815.80x = 39,013,498,333.98
  5. Step 5: Solve for x
    x = 39,013,498,333.98/167,815.80
  6. Step 6: Final answer
    x = 232,478.10

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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.