Home / 187,938.12-281,901.72-69,606.84

Finding the Fourth Proportional to 187,938.12, 281,901.72 and 69,606.84

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Solution

The fourth proportional to 187,938.12, 281,901.72 and 69,606.84 is: 104,408.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,938.12 : 281,901.72 = 69,606.84 : x
  2. Step 2: Convert to fraction form
    187,938.12/281,901.72 = 69,606.84/x
  3. Step 3: Cross multiply
    187,938.12x = 281,901.72 × 69,606.84
  4. Step 4: Simplify right side
    187,938.12x = 19,622,287,919.76
  5. Step 5: Solve for x
    x = 19,622,287,919.76/187,938.12
  6. Step 6: Final answer
    x = 104,408.24

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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.