Home / 149,773.50-206,663.94-86,099.40

Finding the Fourth Proportional to 149,773.50, 206,663.94 and 86,099.40

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Solution

The fourth proportional to 149,773.50, 206,663.94 and 86,099.40 is: 118,803.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,773.50 : 206,663.94 = 86,099.40 : x
  2. Step 2: Convert to fraction form
    149,773.50/206,663.94 = 86,099.40/x
  3. Step 3: Cross multiply
    149,773.50x = 206,663.94 × 86,099.40
  4. Step 4: Simplify right side
    149,773.50x = 17,793,641,235.64
  5. Step 5: Solve for x
    x = 17,793,641,235.64/149,773.50
  6. Step 6: Final answer
    x = 118,803.67

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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.