Home / 117,143.29-175,713.37-28,397.55

Finding the Fourth Proportional to 117,143.29, 175,713.37 and 28,397.55

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Solution

The fourth proportional to 117,143.29, 175,713.37 and 28,397.55 is: 42,595.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,143.29 : 175,713.37 = 28,397.55 : x
  2. Step 2: Convert to fraction form
    117,143.29/175,713.37 = 28,397.55/x
  3. Step 3: Cross multiply
    117,143.29x = 175,713.37 × 28,397.55
  4. Step 4: Simplify right side
    117,143.29x = 4,989,829,210.24
  5. Step 5: Solve for x
    x = 4,989,829,210.24/117,143.29
  6. Step 6: Final answer
    x = 42,595.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.