Home / 217,438.17-326,204.13-65,622.56

Finding the Fourth Proportional to 217,438.17, 326,204.13 and 65,622.56

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Solution

The fourth proportional to 217,438.17, 326,204.13 and 65,622.56 is: 98,447.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,438.17 : 326,204.13 = 65,622.56 : x
  2. Step 2: Convert to fraction form
    217,438.17/326,204.13 = 65,622.56/x
  3. Step 3: Cross multiply
    217,438.17x = 326,204.13 × 65,622.56
  4. Step 4: Simplify right side
    217,438.17x = 21,406,349,509.66
  5. Step 5: Solve for x
    x = 21,406,349,509.66/217,438.17
  6. Step 6: Final answer
    x = 98,447.99

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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.