Home / 148,934.49-205,525.93-85,266.87

Finding the Fourth Proportional to 148,934.49, 205,525.93 and 85,266.87

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Solution

The fourth proportional to 148,934.49, 205,525.93 and 85,266.87 is: 117,666.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,934.49 : 205,525.93 = 85,266.87 : x
  2. Step 2: Convert to fraction form
    148,934.49/205,525.93 = 85,266.87/x
  3. Step 3: Cross multiply
    148,934.49x = 205,525.93 × 85,266.87
  4. Step 4: Simplify right side
    148,934.49x = 17,524,552,754.94
  5. Step 5: Solve for x
    x = 17,524,552,754.94/148,934.49
  6. Step 6: Final answer
    x = 117,666.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.