Home / 169,022.48-233,211.60-115,419.12

Finding the Fourth Proportional to 169,022.48, 233,211.60 and 115,419.12

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Solution

The fourth proportional to 169,022.48, 233,211.60 and 115,419.12 is: 159,251.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,022.48 : 233,211.60 = 115,419.12 : x
  2. Step 2: Convert to fraction form
    169,022.48/233,211.60 = 115,419.12/x
  3. Step 3: Cross multiply
    169,022.48x = 233,211.60 × 115,419.12
  4. Step 4: Simplify right side
    169,022.48x = 26,917,077,645.79
  5. Step 5: Solve for x
    x = 26,917,077,645.79/169,022.48
  6. Step 6: Final answer
    x = 159,251.47

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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.