Home / 199,932.03-275,437.13-139,392.63

Finding the Fourth Proportional to 199,932.03, 275,437.13 and 139,392.63

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Solution

The fourth proportional to 199,932.03, 275,437.13 and 139,392.63 is: 192,034.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,932.03 : 275,437.13 = 139,392.63 : x
  2. Step 2: Convert to fraction form
    199,932.03/275,437.13 = 139,392.63/x
  3. Step 3: Cross multiply
    199,932.03x = 275,437.13 × 139,392.63
  4. Step 4: Simplify right side
    199,932.03x = 38,393,905,253.39
  5. Step 5: Solve for x
    x = 38,393,905,253.39/199,932.03
  6. Step 6: Final answer
    x = 192,034.79

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1.5x scale

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.