Home / 122,378.72-183,585.58-54,066.36

Finding the Fourth Proportional to 122,378.72, 183,585.58 and 54,066.36

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Solution

The fourth proportional to 122,378.72, 183,585.58 and 54,066.36 is: 81,107.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,378.72 : 183,585.58 = 54,066.36 : x
  2. Step 2: Convert to fraction form
    122,378.72/183,585.58 = 54,066.36/x
  3. Step 3: Cross multiply
    122,378.72x = 183,585.58 × 54,066.36
  4. Step 4: Simplify right side
    122,378.72x = 9,925,804,059.09
  5. Step 5: Solve for x
    x = 9,925,804,059.09/122,378.72
  6. Step 6: Final answer
    x = 81,107.27

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1.5x scale

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.