Home / 148,578.10-205,036.57-80,594.91

Finding the Fourth Proportional to 148,578.10, 205,036.57 and 80,594.91

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Solution

The fourth proportional to 148,578.10, 205,036.57 and 80,594.91 is: 111,220.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,578.10 : 205,036.57 = 80,594.91 : x
  2. Step 2: Convert to fraction form
    148,578.10/205,036.57 = 80,594.91/x
  3. Step 3: Cross multiply
    148,578.10x = 205,036.57 × 80,594.91
  4. Step 4: Simplify right side
    148,578.10x = 16,524,903,905.86
  5. Step 5: Solve for x
    x = 16,524,903,905.86/148,578.10
  6. Step 6: Final answer
    x = 111,220.32

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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.