Home / 123,400.80-185,064.36-52,322.24

Finding the Fourth Proportional to 123,400.80, 185,064.36 and 52,322.24

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Solution

The fourth proportional to 123,400.80, 185,064.36 and 52,322.24 is: 78,467.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,400.80 : 185,064.36 = 52,322.24 : x
  2. Step 2: Convert to fraction form
    123,400.80/185,064.36 = 52,322.24/x
  3. Step 3: Cross multiply
    123,400.80x = 185,064.36 × 52,322.24
  4. Step 4: Simplify right side
    123,400.80x = 9,682,980,934.04
  5. Step 5: Solve for x
    x = 9,682,980,934.04/123,400.80
  6. Step 6: Final answer
    x = 78,467.73

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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.