Home / 166,984.50-230,439.42-99,916.50

Finding the Fourth Proportional to 166,984.50, 230,439.42 and 99,916.50

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Solution

The fourth proportional to 166,984.50, 230,439.42 and 99,916.50 is: 137,885.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,984.50 : 230,439.42 = 99,916.50 : x
  2. Step 2: Convert to fraction form
    166,984.50/230,439.42 = 99,916.50/x
  3. Step 3: Cross multiply
    166,984.50x = 230,439.42 × 99,916.50
  4. Step 4: Simplify right side
    166,984.50x = 23,024,700,308.43
  5. Step 5: Solve for x
    x = 23,024,700,308.43/166,984.50
  6. Step 6: Final answer
    x = 137,885.25

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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.