Home / 114,131.30-157,551.64-68,207.15

Finding the Fourth Proportional to 114,131.30, 157,551.64 and 68,207.15

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Solution

The fourth proportional to 114,131.30, 157,551.64 and 68,207.15 is: 94,156.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,131.30 : 157,551.64 = 68,207.15 : x
  2. Step 2: Convert to fraction form
    114,131.30/157,551.64 = 68,207.15/x
  3. Step 3: Cross multiply
    114,131.30x = 157,551.64 × 68,207.15
  4. Step 4: Simplify right side
    114,131.30x = 10,746,147,554.47
  5. Step 5: Solve for x
    x = 10,746,147,554.47/114,131.30
  6. Step 6: Final answer
    x = 94,156.01

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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.