Home / 150,753.16-208,039.62-87,090.52

Finding the Fourth Proportional to 150,753.16, 208,039.62 and 87,090.52

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Solution

The fourth proportional to 150,753.16, 208,039.62 and 87,090.52 is: 120,185.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,753.16 : 208,039.62 = 87,090.52 : x
  2. Step 2: Convert to fraction form
    150,753.16/208,039.62 = 87,090.52/x
  3. Step 3: Cross multiply
    150,753.16x = 208,039.62 × 87,090.52
  4. Step 4: Simplify right side
    150,753.16x = 18,118,278,686.40
  5. Step 5: Solve for x
    x = 18,118,278,686.40/150,753.16
  6. Step 6: Final answer
    x = 120,185.07

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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.