Home / 187,390.94-281,086.95-69,011.06

Finding the Fourth Proportional to 187,390.94, 281,086.95 and 69,011.06

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Solution

The fourth proportional to 187,390.94, 281,086.95 and 69,011.06 is: 103,516.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,390.94 : 281,086.95 = 69,011.06 : x
  2. Step 2: Convert to fraction form
    187,390.94/281,086.95 = 69,011.06/x
  3. Step 3: Cross multiply
    187,390.94x = 281,086.95 × 69,011.06
  4. Step 4: Simplify right side
    187,390.94x = 19,398,108,371.67
  5. Step 5: Solve for x
    x = 19,398,108,371.67/187,390.94
  6. Step 6: Final answer
    x = 103,516.79

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1.5x scale

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.