Home / 187,476.58-258,677.67-111,019.69

Finding the Fourth Proportional to 187,476.58, 258,677.67 and 111,019.69

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Solution

The fourth proportional to 187,476.58, 258,677.67 and 111,019.69 is: 153,183.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,476.58 : 258,677.67 = 111,019.69 : x
  2. Step 2: Convert to fraction form
    187,476.58/258,677.67 = 111,019.69/x
  3. Step 3: Cross multiply
    187,476.58x = 258,677.67 × 111,019.69
  4. Step 4: Simplify right side
    187,476.58x = 28,718,314,733.32
  5. Step 5: Solve for x
    x = 28,718,314,733.32/187,476.58
  6. Step 6: Final answer
    x = 153,183.48

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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.