Home / 111,846.30-154,270.62-93,398.55

Finding the Fourth Proportional to 111,846.30, 154,270.62 and 93,398.55

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Solution

The fourth proportional to 111,846.30, 154,270.62 and 93,398.55 is: 128,825.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,846.30 : 154,270.62 = 93,398.55 : x
  2. Step 2: Convert to fraction form
    111,846.30/154,270.62 = 93,398.55/x
  3. Step 3: Cross multiply
    111,846.30x = 154,270.62 × 93,398.55
  4. Step 4: Simplify right side
    111,846.30x = 14,408,652,215.60
  5. Step 5: Solve for x
    x = 14,408,652,215.60/111,846.30
  6. Step 6: Final answer
    x = 128,825.47

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1.5x scale

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.