Home / 183,712.29-253,505.46-103,121.34

Finding the Fourth Proportional to 183,712.29, 253,505.46 and 103,121.34

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Solution

The fourth proportional to 183,712.29, 253,505.46 and 103,121.34 is: 142,297.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,712.29 : 253,505.46 = 103,121.34 : x
  2. Step 2: Convert to fraction form
    183,712.29/253,505.46 = 103,121.34/x
  3. Step 3: Cross multiply
    183,712.29x = 253,505.46 × 103,121.34
  4. Step 4: Simplify right side
    183,712.29x = 26,141,822,732.52
  5. Step 5: Solve for x
    x = 26,141,822,732.52/183,712.29
  6. Step 6: Final answer
    x = 142,297.63

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1.5x scale

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.