Home / 187,574.64-258,870.60-112,121.52

Finding the Fourth Proportional to 187,574.64, 258,870.60 and 112,121.52

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Solution

The fourth proportional to 187,574.64, 258,870.60 and 112,121.52 is: 154,738.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,574.64 : 258,870.60 = 112,121.52 : x
  2. Step 2: Convert to fraction form
    187,574.64/258,870.60 = 112,121.52/x
  3. Step 3: Cross multiply
    187,574.64x = 258,870.60 × 112,121.52
  4. Step 4: Simplify right side
    187,574.64x = 29,024,965,155.31
  5. Step 5: Solve for x
    x = 29,024,965,155.31/187,574.64
  6. Step 6: Final answer
    x = 154,738.22

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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.