Home / 157,616.65-236,341.41-68,766.37

Finding the Fourth Proportional to 157,616.65, 236,341.41 and 68,766.37

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Solution

The fourth proportional to 157,616.65, 236,341.41 and 68,766.37 is: 103,113.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,616.65 : 236,341.41 = 68,766.37 : x
  2. Step 2: Convert to fraction form
    157,616.65/236,341.41 = 68,766.37/x
  3. Step 3: Cross multiply
    157,616.65x = 236,341.41 × 68,766.37
  4. Step 4: Simplify right side
    157,616.65x = 16,252,340,846.38
  5. Step 5: Solve for x
    x = 16,252,340,846.38/157,616.65
  6. Step 6: Final answer
    x = 103,113.10

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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.