Home / 124,884.45-187,338.99-45,980.25

Finding the Fourth Proportional to 124,884.45, 187,338.99 and 45,980.25

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Solution

The fourth proportional to 124,884.45, 187,338.99 and 45,980.25 is: 68,974.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,884.45 : 187,338.99 = 45,980.25 : x
  2. Step 2: Convert to fraction form
    124,884.45/187,338.99 = 45,980.25/x
  3. Step 3: Cross multiply
    124,884.45x = 187,338.99 × 45,980.25
  4. Step 4: Simplify right side
    124,884.45x = 8,613,893,594.95
  5. Step 5: Solve for x
    x = 8,613,893,594.95/124,884.45
  6. Step 6: Final answer
    x = 68,974.91

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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.