Home / 216,986.15-325,494.82-74,829.38

Finding the Fourth Proportional to 216,986.15, 325,494.82 and 74,829.38

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Solution

The fourth proportional to 216,986.15, 325,494.82 and 74,829.38 is: 112,249.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,986.15 : 325,494.82 = 74,829.38 : x
  2. Step 2: Convert to fraction form
    216,986.15/325,494.82 = 74,829.38/x
  3. Step 3: Cross multiply
    216,986.15x = 325,494.82 × 74,829.38
  4. Step 4: Simplify right side
    216,986.15x = 24,356,575,573.81
  5. Step 5: Solve for x
    x = 24,356,575,573.81/216,986.15
  6. Step 6: Final answer
    x = 112,249.45

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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.