Home / 99,688.79-149,548.14-32,198.28

Finding the Fourth Proportional to 99,688.79, 149,548.14 and 32,198.28

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Solution

The fourth proportional to 99,688.79, 149,548.14 and 32,198.28 is: 48,302.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,688.79 : 149,548.14 = 32,198.28 : x
  2. Step 2: Convert to fraction form
    99,688.79/149,548.14 = 32,198.28/x
  3. Step 3: Cross multiply
    99,688.79x = 149,548.14 × 32,198.28
  4. Step 4: Simplify right side
    99,688.79x = 4,815,192,885.20
  5. Step 5: Solve for x
    x = 4,815,192,885.20/99,688.79
  6. Step 6: Final answer
    x = 48,302.25

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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.