Home / 154,943.49-232,513.55-66,197.67

Finding the Fourth Proportional to 154,943.49, 232,513.55 and 66,197.67

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Solution

The fourth proportional to 154,943.49, 232,513.55 and 66,197.67 is: 99,338.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,943.49 : 232,513.55 = 66,197.67 : x
  2. Step 2: Convert to fraction form
    154,943.49/232,513.55 = 66,197.67/x
  3. Step 3: Cross multiply
    154,943.49x = 232,513.55 × 66,197.67
  4. Step 4: Simplify right side
    154,943.49x = 15,391,854,922.44
  5. Step 5: Solve for x
    x = 15,391,854,922.44/154,943.49
  6. Step 6: Final answer
    x = 99,338.51

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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.