Home / 216,386.29-324,549.19-74,229.24

Finding the Fourth Proportional to 216,386.29, 324,549.19 and 74,229.24

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Solution

The fourth proportional to 216,386.29, 324,549.19 and 74,229.24 is: 111,333.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,386.29 : 324,549.19 = 74,229.24 : x
  2. Step 2: Convert to fraction form
    216,386.29/324,549.19 = 74,229.24/x
  3. Step 3: Cross multiply
    216,386.29x = 324,549.19 × 74,229.24
  4. Step 4: Simplify right side
    216,386.29x = 24,091,039,530.74
  5. Step 5: Solve for x
    x = 24,091,039,530.74/216,386.29
  6. Step 6: Final answer
    x = 111,333.49

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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.