Home / 114,256.26-157,974.66-100,068.48

Finding the Fourth Proportional to 114,256.26, 157,974.66 and 100,068.48

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Solution

The fourth proportional to 114,256.26, 157,974.66 and 100,068.48 is: 138,358.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,256.26 : 157,974.66 = 100,068.48 : x
  2. Step 2: Convert to fraction form
    114,256.26/157,974.66 = 100,068.48/x
  3. Step 3: Cross multiply
    114,256.26x = 157,974.66 × 100,068.48
  4. Step 4: Simplify right side
    114,256.26x = 15,808,284,104.72
  5. Step 5: Solve for x
    x = 15,808,284,104.72/114,256.26
  6. Step 6: Final answer
    x = 138,358.14

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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.