Home / 203,707.51-281,111.11-113,060.81

Finding the Fourth Proportional to 203,707.51, 281,111.11 and 113,060.81

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Solution

The fourth proportional to 203,707.51, 281,111.11 and 113,060.81 is: 156,021.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,707.51 : 281,111.11 = 113,060.81 : x
  2. Step 2: Convert to fraction form
    203,707.51/281,111.11 = 113,060.81/x
  3. Step 3: Cross multiply
    203,707.51x = 281,111.11 × 113,060.81
  4. Step 4: Simplify right side
    203,707.51x = 31,782,650,216.72
  5. Step 5: Solve for x
    x = 31,782,650,216.72/203,707.51
  6. Step 6: Final answer
    x = 156,021.01

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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.