Home / 145,497.36-218,249.46-40,317.24

Finding the Fourth Proportional to 145,497.36, 218,249.46 and 40,317.24

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Solution

The fourth proportional to 145,497.36, 218,249.46 and 40,317.24 is: 60,476.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,497.36 : 218,249.46 = 40,317.24 : x
  2. Step 2: Convert to fraction form
    145,497.36/218,249.46 = 40,317.24/x
  3. Step 3: Cross multiply
    145,497.36x = 218,249.46 × 40,317.24
  4. Step 4: Simplify right side
    145,497.36x = 8,799,215,858.69
  5. Step 5: Solve for x
    x = 8,799,215,858.69/145,497.36
  6. Step 6: Final answer
    x = 60,476.81

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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.