Home / 165,339.36-228,168.86-93,724.20

Finding the Fourth Proportional to 165,339.36, 228,168.86 and 93,724.20

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Solution

The fourth proportional to 165,339.36, 228,168.86 and 93,724.20 is: 129,339.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,339.36 : 228,168.86 = 93,724.20 : x
  2. Step 2: Convert to fraction form
    165,339.36/228,168.86 = 93,724.20/x
  3. Step 3: Cross multiply
    165,339.36x = 228,168.86 × 93,724.20
  4. Step 4: Simplify right side
    165,339.36x = 21,384,943,399.79
  5. Step 5: Solve for x
    x = 21,384,943,399.79/165,339.36
  6. Step 6: Final answer
    x = 129,339.70

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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.