Home / 112,060.22-154,430.01-80,173.76

Finding the Fourth Proportional to 112,060.22, 154,430.01 and 80,173.76

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Solution

The fourth proportional to 112,060.22, 154,430.01 and 80,173.76 is: 110,487.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,060.22 : 154,430.01 = 80,173.76 : x
  2. Step 2: Convert to fraction form
    112,060.22/154,430.01 = 80,173.76/x
  3. Step 3: Cross multiply
    112,060.22x = 154,430.01 × 80,173.76
  4. Step 4: Simplify right side
    112,060.22x = 12,381,233,786.39
  5. Step 5: Solve for x
    x = 12,381,233,786.39/112,060.22
  6. Step 6: Final answer
    x = 110,487.33

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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.