Home / 112,182.96-154,829.24-71,942.16

Finding the Fourth Proportional to 112,182.96, 154,829.24 and 71,942.16

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Solution

The fourth proportional to 112,182.96, 154,829.24 and 71,942.16 is: 99,290.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,182.96 : 154,829.24 = 71,942.16 : x
  2. Step 2: Convert to fraction form
    112,182.96/154,829.24 = 71,942.16/x
  3. Step 3: Cross multiply
    112,182.96x = 154,829.24 × 71,942.16
  4. Step 4: Simplify right side
    112,182.96x = 11,138,749,956.76
  5. Step 5: Solve for x
    x = 11,138,749,956.76/112,182.96
  6. Step 6: Final answer
    x = 99,290.93

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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.