Home / 122,343.10-183,514.66-103,680.70

Finding the Fourth Proportional to 122,343.10, 183,514.66 and 103,680.70

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Solution

The fourth proportional to 122,343.10, 183,514.66 and 103,680.70 is: 155,521.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,343.10 : 183,514.66 = 103,680.70 : x
  2. Step 2: Convert to fraction form
    122,343.10/183,514.66 = 103,680.70/x
  3. Step 3: Cross multiply
    122,343.10x = 183,514.66 × 103,680.70
  4. Step 4: Simplify right side
    122,343.10x = 19,026,928,409.06
  5. Step 5: Solve for x
    x = 19,026,928,409.06/122,343.10
  6. Step 6: Final answer
    x = 155,521.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.