Home / 149,666.79-206,566.53-89,241.15

Finding the Fourth Proportional to 149,666.79, 206,566.53 and 89,241.15

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Solution

The fourth proportional to 149,666.79, 206,566.53 and 89,241.15 is: 123,168.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,666.79 : 206,566.53 = 89,241.15 : x
  2. Step 2: Convert to fraction form
    149,666.79/206,566.53 = 89,241.15/x
  3. Step 3: Cross multiply
    149,666.79x = 206,566.53 × 89,241.15
  4. Step 4: Simplify right side
    149,666.79x = 18,434,234,688.71
  5. Step 5: Solve for x
    x = 18,434,234,688.71/149,666.79
  6. Step 6: Final answer
    x = 123,168.50

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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.