Home / 175,443.80-263,180.28-70,205.36

Finding the Fourth Proportional to 175,443.80, 263,180.28 and 70,205.36

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Solution

The fourth proportional to 175,443.80, 263,180.28 and 70,205.36 is: 105,313.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,443.80 : 263,180.28 = 70,205.36 : x
  2. Step 2: Convert to fraction form
    175,443.80/263,180.28 = 70,205.36/x
  3. Step 3: Cross multiply
    175,443.80x = 263,180.28 × 70,205.36
  4. Step 4: Simplify right side
    175,443.80x = 18,476,666,302.30
  5. Step 5: Solve for x
    x = 18,476,666,302.30/175,443.80
  6. Step 6: Final answer
    x = 105,313.87

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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.