Home / 142,467.16-213,511.98-75,763.66

Finding the Fourth Proportional to 142,467.16, 213,511.98 and 75,763.66

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Solution

The fourth proportional to 142,467.16, 213,511.98 and 75,763.66 is: 113,545.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,467.16 : 213,511.98 = 75,763.66 : x
  2. Step 2: Convert to fraction form
    142,467.16/213,511.98 = 75,763.66/x
  3. Step 3: Cross multiply
    142,467.16x = 213,511.98 × 75,763.66
  4. Step 4: Simplify right side
    142,467.16x = 16,176,449,058.65
  5. Step 5: Solve for x
    x = 16,176,449,058.65/142,467.16
  6. Step 6: Final answer
    x = 113,545.11

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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.