Home / 187,032.72-258,106.80-106,465.44

Finding the Fourth Proportional to 187,032.72, 258,106.80 and 106,465.44

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Solution

The fourth proportional to 187,032.72, 258,106.80 and 106,465.44 is: 146,923.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,032.72 : 258,106.80 = 106,465.44 : x
  2. Step 2: Convert to fraction form
    187,032.72/258,106.80 = 106,465.44/x
  3. Step 3: Cross multiply
    187,032.72x = 258,106.80 × 106,465.44
  4. Step 4: Simplify right side
    187,032.72x = 27,479,454,028.99
  5. Step 5: Solve for x
    x = 27,479,454,028.99/187,032.72
  6. Step 6: Final answer
    x = 146,923.24

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1.5x scale

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.