Home / 187,813.12-259,153.42-106,111.55

Finding the Fourth Proportional to 187,813.12, 259,153.42 and 106,111.55

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Solution

The fourth proportional to 187,813.12, 259,153.42 and 106,111.55 is: 146,417.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,813.12 : 259,153.42 = 106,111.55 : x
  2. Step 2: Convert to fraction form
    187,813.12/259,153.42 = 106,111.55/x
  3. Step 3: Cross multiply
    187,813.12x = 259,153.42 × 106,111.55
  4. Step 4: Simplify right side
    187,813.12x = 27,499,171,084.00
  5. Step 5: Solve for x
    x = 27,499,171,084.00/187,813.12
  6. Step 6: Final answer
    x = 146,417.74

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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.