Home / 150,928.59-208,269.27-87,270.51

Finding the Fourth Proportional to 150,928.59, 208,269.27 and 87,270.51

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Solution

The fourth proportional to 150,928.59, 208,269.27 and 87,270.51 is: 120,426.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,928.59 : 208,269.27 = 87,270.51 : x
  2. Step 2: Convert to fraction form
    150,928.59/208,269.27 = 87,270.51/x
  3. Step 3: Cross multiply
    150,928.59x = 208,269.27 × 87,270.51
  4. Step 4: Simplify right side
    150,928.59x = 18,175,765,410.23
  5. Step 5: Solve for x
    x = 18,175,765,410.23/150,928.59
  6. Step 6: Final answer
    x = 120,426.26

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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.