Home / 150,917.84-208,292.28-87,294.32

Finding the Fourth Proportional to 150,917.84, 208,292.28 and 87,294.32

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Solution

The fourth proportional to 150,917.84, 208,292.28 and 87,294.32 is: 120,481.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,917.84 : 208,292.28 = 87,294.32 : x
  2. Step 2: Convert to fraction form
    150,917.84/208,292.28 = 87,294.32/x
  3. Step 3: Cross multiply
    150,917.84x = 208,292.28 × 87,294.32
  4. Step 4: Simplify right side
    150,917.84x = 18,182,732,943.85
  5. Step 5: Solve for x
    x = 18,182,732,943.85/150,917.84
  6. Step 6: Final answer
    x = 120,481.00

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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.