Home / 194,228.96-291,372.12-99,512.72

Finding the Fourth Proportional to 194,228.96, 291,372.12 and 99,512.72

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Solution

The fourth proportional to 194,228.96, 291,372.12 and 99,512.72 is: 149,283.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,228.96 : 291,372.12 = 99,512.72 : x
  2. Step 2: Convert to fraction form
    194,228.96/291,372.12 = 99,512.72/x
  3. Step 3: Cross multiply
    194,228.96x = 291,372.12 × 99,512.72
  4. Step 4: Simplify right side
    194,228.96x = 28,995,232,193.37
  5. Step 5: Solve for x
    x = 28,995,232,193.37/194,228.96
  6. Step 6: Final answer
    x = 149,283.77

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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.