Home / 209,607.36-314,411.18-67,452.61

Finding the Fourth Proportional to 209,607.36, 314,411.18 and 67,452.61

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Solution

The fourth proportional to 209,607.36, 314,411.18 and 67,452.61 is: 101,178.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,607.36 : 314,411.18 = 67,452.61 : x
  2. Step 2: Convert to fraction form
    209,607.36/314,411.18 = 67,452.61/x
  3. Step 3: Cross multiply
    209,607.36x = 314,411.18 × 67,452.61
  4. Step 4: Simplify right side
    209,607.36x = 21,207,853,300.76
  5. Step 5: Solve for x
    x = 21,207,853,300.76/209,607.36
  6. Step 6: Final answer
    x = 101,178.95

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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.