Home / 118,263.46-163,178.60-75,227.28

Finding the Fourth Proportional to 118,263.46, 163,178.60 and 75,227.28

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Solution

The fourth proportional to 118,263.46, 163,178.60 and 75,227.28 is: 103,797.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,263.46 : 163,178.60 = 75,227.28 : x
  2. Step 2: Convert to fraction form
    118,263.46/163,178.60 = 75,227.28/x
  3. Step 3: Cross multiply
    118,263.46x = 163,178.60 × 75,227.28
  4. Step 4: Simplify right side
    118,263.46x = 12,275,482,232.21
  5. Step 5: Solve for x
    x = 12,275,482,232.21/118,263.46
  6. Step 6: Final answer
    x = 103,797.76

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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.