Home / 185,110.90-255,262.11-158,342.02

Finding the Fourth Proportional to 185,110.90, 255,262.11 and 158,342.02

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Solution

The fourth proportional to 185,110.90, 255,262.11 and 158,342.02 is: 218,348.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,110.90 : 255,262.11 = 158,342.02 : x
  2. Step 2: Convert to fraction form
    185,110.90/255,262.11 = 158,342.02/x
  3. Step 3: Cross multiply
    185,110.90x = 255,262.11 × 158,342.02
  4. Step 4: Simplify right side
    185,110.90x = 40,418,718,126.86
  5. Step 5: Solve for x
    x = 40,418,718,126.86/185,110.90
  6. Step 6: Final answer
    x = 218,348.67

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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.