Home / 149,663.04-206,561.34-89,237.40

Finding the Fourth Proportional to 149,663.04, 206,561.34 and 89,237.40

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Solution

The fourth proportional to 149,663.04, 206,561.34 and 89,237.40 is: 123,163.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,663.04 : 206,561.34 = 89,237.40 : x
  2. Step 2: Convert to fraction form
    149,663.04/206,561.34 = 89,237.40/x
  3. Step 3: Cross multiply
    149,663.04x = 206,561.34 × 89,237.40
  4. Step 4: Simplify right side
    149,663.04x = 18,432,996,922.12
  5. Step 5: Solve for x
    x = 18,432,996,922.12/149,663.04
  6. Step 6: Final answer
    x = 123,163.32

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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.