Home / 154,193.09-231,323.63-65,522.39

Finding the Fourth Proportional to 154,193.09, 231,323.63 and 65,522.39

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Solution

The fourth proportional to 154,193.09, 231,323.63 and 65,522.39 is: 98,298.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,193.09 : 231,323.63 = 65,522.39 : x
  2. Step 2: Convert to fraction form
    154,193.09/231,323.63 = 65,522.39/x
  3. Step 3: Cross multiply
    154,193.09x = 231,323.63 × 65,522.39
  4. Step 4: Simplify right side
    154,193.09x = 15,156,875,616.85
  5. Step 5: Solve for x
    x = 15,156,875,616.85/154,193.09
  6. Step 6: Final answer
    x = 98,298.02

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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.