Home / 118,535.20-177,716.40-48,378.40

Finding the Fourth Proportional to 118,535.20, 177,716.40 and 48,378.40

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Solution

The fourth proportional to 118,535.20, 177,716.40 and 48,378.40 is: 72,532.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,535.20 : 177,716.40 = 48,378.40 : x
  2. Step 2: Convert to fraction form
    118,535.20/177,716.40 = 48,378.40/x
  3. Step 3: Cross multiply
    118,535.20x = 177,716.40 × 48,378.40
  4. Step 4: Simplify right side
    118,535.20x = 8,597,635,085.76
  5. Step 5: Solve for x
    x = 8,597,635,085.76/118,535.20
  6. Step 6: Final answer
    x = 72,532.34

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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.