Home / 217,574.03-326,287.13-75,386.12

Finding the Fourth Proportional to 217,574.03, 326,287.13 and 75,386.12

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Solution

The fourth proportional to 217,574.03, 326,287.13 and 75,386.12 is: 113,053.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,574.03 : 326,287.13 = 75,386.12 : x
  2. Step 2: Convert to fraction form
    217,574.03/326,287.13 = 75,386.12/x
  3. Step 3: Cross multiply
    217,574.03x = 326,287.13 × 75,386.12
  4. Step 4: Simplify right side
    217,574.03x = 24,597,520,736.64
  5. Step 5: Solve for x
    x = 24,597,520,736.64/217,574.03
  6. Step 6: Final answer
    x = 113,053.57

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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.