Home / 114,131.80-157,552.33-68,207.65

Finding the Fourth Proportional to 114,131.80, 157,552.33 and 68,207.65

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Solution

The fourth proportional to 114,131.80, 157,552.33 and 68,207.65 is: 94,156.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,131.80 : 157,552.33 = 68,207.65 : x
  2. Step 2: Convert to fraction form
    114,131.80/157,552.33 = 68,207.65/x
  3. Step 3: Cross multiply
    114,131.80x = 157,552.33 × 68,207.65
  4. Step 4: Simplify right side
    114,131.80x = 10,746,274,181.32
  5. Step 5: Solve for x
    x = 10,746,274,181.32/114,131.80
  6. Step 6: Final answer
    x = 94,156.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.