Home / 154,784.52-231,880.14-104,778.36

Finding the Fourth Proportional to 154,784.52, 231,880.14 and 104,778.36

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Solution

The fourth proportional to 154,784.52, 231,880.14 and 104,778.36 is: 156,966.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,784.52 : 231,880.14 = 104,778.36 : x
  2. Step 2: Convert to fraction form
    154,784.52/231,880.14 = 104,778.36/x
  3. Step 3: Cross multiply
    154,784.52x = 231,880.14 × 104,778.36
  4. Step 4: Simplify right side
    154,784.52x = 24,296,020,785.77
  5. Step 5: Solve for x
    x = 24,296,020,785.77/154,784.52
  6. Step 6: Final answer
    x = 156,966.74

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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.