Home / 243,840.06-336,524.67-140,477.85

Finding the Fourth Proportional to 243,840.06, 336,524.67 and 140,477.85

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Solution

The fourth proportional to 243,840.06, 336,524.67 and 140,477.85 is: 193,874.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,840.06 : 336,524.67 = 140,477.85 : x
  2. Step 2: Convert to fraction form
    243,840.06/336,524.67 = 140,477.85/x
  3. Step 3: Cross multiply
    243,840.06x = 336,524.67 × 140,477.85
  4. Step 4: Simplify right side
    243,840.06x = 47,274,262,113.56
  5. Step 5: Solve for x
    x = 47,274,262,113.56/243,840.06
  6. Step 6: Final answer
    x = 193,874.06

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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.