Home / 114,296.28-157,703.40-68,981.64

Finding the Fourth Proportional to 114,296.28, 157,703.40 and 68,981.64

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Solution

The fourth proportional to 114,296.28, 157,703.40 and 68,981.64 is: 95,179.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,296.28 : 157,703.40 = 68,981.64 : x
  2. Step 2: Convert to fraction form
    114,296.28/157,703.40 = 68,981.64/x
  3. Step 3: Cross multiply
    114,296.28x = 157,703.40 × 68,981.64
  4. Step 4: Simplify right side
    114,296.28x = 10,878,639,165.58
  5. Step 5: Solve for x
    x = 10,878,639,165.58/114,296.28
  6. Step 6: Final answer
    x = 95,179.29

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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.