Home / 165,510.32-228,402.96-90,058.64

Finding the Fourth Proportional to 165,510.32, 228,402.96 and 90,058.64

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Solution

The fourth proportional to 165,510.32, 228,402.96 and 90,058.64 is: 124,280.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,510.32 : 228,402.96 = 90,058.64 : x
  2. Step 2: Convert to fraction form
    165,510.32/228,402.96 = 90,058.64/x
  3. Step 3: Cross multiply
    165,510.32x = 228,402.96 × 90,058.64
  4. Step 4: Simplify right side
    165,510.32x = 20,569,659,949.57
  5. Step 5: Solve for x
    x = 20,569,659,949.57/165,510.32
  6. Step 6: Final answer
    x = 124,280.23

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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.