Home / 348,558.16-522,680.76-99,180.88

Finding the Fourth Proportional to 348,558.16, 522,680.76 and 99,180.88

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Solution

The fourth proportional to 348,558.16, 522,680.76 and 99,180.88 is: 148,726.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,558.16 : 522,680.76 = 99,180.88 : x
  2. Step 2: Convert to fraction form
    348,558.16/522,680.76 = 99,180.88/x
  3. Step 3: Cross multiply
    348,558.16x = 522,680.76 × 99,180.88
  4. Step 4: Simplify right side
    348,558.16x = 51,839,937,735.87
  5. Step 5: Solve for x
    x = 51,839,937,735.87/348,558.16
  6. Step 6: Final answer
    x = 148,726.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.