Home / 187,778.08-259,132.32-102,894.96

Finding the Fourth Proportional to 187,778.08, 259,132.32 and 102,894.96

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Solution

The fourth proportional to 187,778.08, 259,132.32 and 102,894.96 is: 141,994.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,778.08 : 259,132.32 = 102,894.96 : x
  2. Step 2: Convert to fraction form
    187,778.08/259,132.32 = 102,894.96/x
  3. Step 3: Cross multiply
    187,778.08x = 259,132.32 × 102,894.96
  4. Step 4: Simplify right side
    187,778.08x = 26,663,409,701.11
  5. Step 5: Solve for x
    x = 26,663,409,701.11/187,778.08
  6. Step 6: Final answer
    x = 141,994.26

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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.