Home / 118,131.25-177,196.88-30,579.25

Finding the Fourth Proportional to 118,131.25, 177,196.88 and 30,579.25

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Solution

The fourth proportional to 118,131.25, 177,196.88 and 30,579.25 is: 45,868.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,131.25 : 177,196.88 = 30,579.25 : x
  2. Step 2: Convert to fraction form
    118,131.25/177,196.88 = 30,579.25/x
  3. Step 3: Cross multiply
    118,131.25x = 177,196.88 × 30,579.25
  4. Step 4: Simplify right side
    118,131.25x = 5,418,547,692.74
  5. Step 5: Solve for x
    x = 5,418,547,692.74/118,131.25
  6. Step 6: Final answer
    x = 45,868.88

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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.