Home / 150,068.96-207,061.44-89,628.64

Finding the Fourth Proportional to 150,068.96, 207,061.44 and 89,628.64

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Solution

The fourth proportional to 150,068.96, 207,061.44 and 89,628.64 is: 123,667.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,068.96 : 207,061.44 = 89,628.64 : x
  2. Step 2: Convert to fraction form
    150,068.96/207,061.44 = 89,628.64/x
  3. Step 3: Cross multiply
    150,068.96x = 207,061.44 × 89,628.64
  4. Step 4: Simplify right side
    150,068.96x = 18,558,635,263.64
  5. Step 5: Solve for x
    x = 18,558,635,263.64/150,068.96
  6. Step 6: Final answer
    x = 123,667.38

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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.