Home / 150,921.84-208,148.54-93,521.28

Finding the Fourth Proportional to 150,921.84, 208,148.54 and 93,521.28

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Solution

The fourth proportional to 150,921.84, 208,148.54 and 93,521.28 is: 128,982.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,921.84 : 208,148.54 = 93,521.28 : x
  2. Step 2: Convert to fraction form
    150,921.84/208,148.54 = 93,521.28/x
  3. Step 3: Cross multiply
    150,921.84x = 208,148.54 × 93,521.28
  4. Step 4: Simplify right side
    150,921.84x = 19,466,317,890.93
  5. Step 5: Solve for x
    x = 19,466,317,890.93/150,921.84
  6. Step 6: Final answer
    x = 128,982.78

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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.