Home / 118,222.20-177,280.80-43,322.76

Finding the Fourth Proportional to 118,222.20, 177,280.80 and 43,322.76

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Solution

The fourth proportional to 118,222.20, 177,280.80 and 43,322.76 is: 64,964.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,222.20 : 177,280.80 = 43,322.76 : x
  2. Step 2: Convert to fraction form
    118,222.20/177,280.80 = 43,322.76/x
  3. Step 3: Cross multiply
    118,222.20x = 177,280.80 × 43,322.76
  4. Step 4: Simplify right side
    118,222.20x = 7,680,293,551.01
  5. Step 5: Solve for x
    x = 7,680,293,551.01/118,222.20
  6. Step 6: Final answer
    x = 64,964.90

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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.