Home / 112,021.57-154,646.58-73,806.18

Finding the Fourth Proportional to 112,021.57, 154,646.58 and 73,806.18

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Solution

The fourth proportional to 112,021.57, 154,646.58 and 73,806.18 is: 101,889.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,021.57 : 154,646.58 = 73,806.18 : x
  2. Step 2: Convert to fraction form
    112,021.57/154,646.58 = 73,806.18/x
  3. Step 3: Cross multiply
    112,021.57x = 154,646.58 × 73,806.18
  4. Step 4: Simplify right side
    112,021.57x = 11,413,873,319.86
  5. Step 5: Solve for x
    x = 11,413,873,319.86/112,021.57
  6. Step 6: Final answer
    x = 101,889.96

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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.