Home / 183,016.24-252,720-115,146.36

Finding the Fourth Proportional to 183,016.24, 252,720 and 115,146.36

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Solution

The fourth proportional to 183,016.24, 252,720 and 115,146.36 is: 159,001.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,016.24 : 252,720 = 115,146.36 : x
  2. Step 2: Convert to fraction form
    183,016.24/252,720 = 115,146.36/x
  3. Step 3: Cross multiply
    183,016.24x = 252,720 × 115,146.36
  4. Step 4: Simplify right side
    183,016.24x = 29,099,788,099.20
  5. Step 5: Solve for x
    x = 29,099,788,099.20/183,016.24
  6. Step 6: Final answer
    x = 159,001.13

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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.