Home / 136,301.57-188,094.15-75,872.13

Finding the Fourth Proportional to 136,301.57, 188,094.15 and 75,872.13

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Solution

The fourth proportional to 136,301.57, 188,094.15 and 75,872.13 is: 104,702.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,301.57 : 188,094.15 = 75,872.13 : x
  2. Step 2: Convert to fraction form
    136,301.57/188,094.15 = 75,872.13/x
  3. Step 3: Cross multiply
    136,301.57x = 188,094.15 × 75,872.13
  4. Step 4: Simplify right side
    136,301.57x = 14,271,103,095.69
  5. Step 5: Solve for x
    x = 14,271,103,095.69/136,301.57
  6. Step 6: Final answer
    x = 104,702.41

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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.