Home / 178,679.16-246,582.36-101,148.78

Finding the Fourth Proportional to 178,679.16, 246,582.36 and 101,148.78

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Solution

The fourth proportional to 178,679.16, 246,582.36 and 101,148.78 is: 139,588.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,679.16 : 246,582.36 = 101,148.78 : x
  2. Step 2: Convert to fraction form
    178,679.16/246,582.36 = 101,148.78/x
  3. Step 3: Cross multiply
    178,679.16x = 246,582.36 × 101,148.78
  4. Step 4: Simplify right side
    178,679.16x = 24,941,504,883.52
  5. Step 5: Solve for x
    x = 24,941,504,883.52/178,679.16
  6. Step 6: Final answer
    x = 139,588.21

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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.