Home / 154,455.06-213,084.64-93,977.22

Finding the Fourth Proportional to 154,455.06, 213,084.64 and 93,977.22

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Solution

The fourth proportional to 154,455.06, 213,084.64 and 93,977.22 is: 129,650.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,455.06 : 213,084.64 = 93,977.22 : x
  2. Step 2: Convert to fraction form
    154,455.06/213,084.64 = 93,977.22/x
  3. Step 3: Cross multiply
    154,455.06x = 213,084.64 × 93,977.22
  4. Step 4: Simplify right side
    154,455.06x = 20,025,102,091.90
  5. Step 5: Solve for x
    x = 20,025,102,091.90/154,455.06
  6. Step 6: Final answer
    x = 129,650.02

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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.