Home / 187,853.74-259,199.85-111,339.10

Finding the Fourth Proportional to 187,853.74, 259,199.85 and 111,339.10

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Solution

The fourth proportional to 187,853.74, 259,199.85 and 111,339.10 is: 153,625.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,853.74 : 259,199.85 = 111,339.10 : x
  2. Step 2: Convert to fraction form
    187,853.74/259,199.85 = 111,339.10/x
  3. Step 3: Cross multiply
    187,853.74x = 259,199.85 × 111,339.10
  4. Step 4: Simplify right side
    187,853.74x = 28,859,078,019.14
  5. Step 5: Solve for x
    x = 28,859,078,019.14/187,853.74
  6. Step 6: Final answer
    x = 153,625.25

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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.