Home / 188,541.94-260,150.56-105,758.58

Finding the Fourth Proportional to 188,541.94, 260,150.56 and 105,758.58

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Solution

The fourth proportional to 188,541.94, 260,150.56 and 105,758.58 is: 145,925.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,541.94 : 260,150.56 = 105,758.58 : x
  2. Step 2: Convert to fraction form
    188,541.94/260,150.56 = 105,758.58/x
  3. Step 3: Cross multiply
    188,541.94x = 260,150.56 × 105,758.58
  4. Step 4: Simplify right side
    188,541.94x = 27,513,153,811.80
  5. Step 5: Solve for x
    x = 27,513,153,811.80/188,541.94
  6. Step 6: Final answer
    x = 145,925.91

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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.