Home / 217,470.34-326,127.22-75,276.98

Finding the Fourth Proportional to 217,470.34, 326,127.22 and 75,276.98

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Solution

The fourth proportional to 217,470.34, 326,127.22 and 75,276.98 is: 112,888.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,470.34 : 326,127.22 = 75,276.98 : x
  2. Step 2: Convert to fraction form
    217,470.34/326,127.22 = 75,276.98/x
  3. Step 3: Cross multiply
    217,470.34x = 326,127.22 × 75,276.98
  4. Step 4: Simplify right side
    217,470.34x = 24,549,872,217.40
  5. Step 5: Solve for x
    x = 24,549,872,217.40/217,470.34
  6. Step 6: Final answer
    x = 112,888.37

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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.