Home / 118,250.80-177,376.20-109,308.40

Finding the Fourth Proportional to 118,250.80, 177,376.20 and 109,308.40

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Solution

The fourth proportional to 118,250.80, 177,376.20 and 109,308.40 is: 163,962.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,250.80 : 177,376.20 = 109,308.40 : x
  2. Step 2: Convert to fraction form
    118,250.80/177,376.20 = 109,308.40/x
  3. Step 3: Cross multiply
    118,250.80x = 177,376.20 × 109,308.40
  4. Step 4: Simplify right side
    118,250.80x = 19,388,708,620.08
  5. Step 5: Solve for x
    x = 19,388,708,620.08/118,250.80
  6. Step 6: Final answer
    x = 163,962.60

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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.