Home / 165,363.16-228,200.86-89,911.48

Finding the Fourth Proportional to 165,363.16, 228,200.86 and 89,911.48

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Solution

The fourth proportional to 165,363.16, 228,200.86 and 89,911.48 is: 124,077.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,363.16 : 228,200.86 = 89,911.48 : x
  2. Step 2: Convert to fraction form
    165,363.16/228,200.86 = 89,911.48/x
  3. Step 3: Cross multiply
    165,363.16x = 228,200.86 × 89,911.48
  4. Step 4: Simplify right side
    165,363.16x = 20,517,877,059.87
  5. Step 5: Solve for x
    x = 20,517,877,059.87/165,363.16
  6. Step 6: Final answer
    x = 124,077.68

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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.