Home / 112,242.22-154,889.39-61,253.66

Finding the Fourth Proportional to 112,242.22, 154,889.39 and 61,253.66

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Solution

The fourth proportional to 112,242.22, 154,889.39 and 61,253.66 is: 84,527.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,242.22 : 154,889.39 = 61,253.66 : x
  2. Step 2: Convert to fraction form
    112,242.22/154,889.39 = 61,253.66/x
  3. Step 3: Cross multiply
    112,242.22x = 154,889.39 × 61,253.66
  4. Step 4: Simplify right side
    112,242.22x = 9,487,542,032.67
  5. Step 5: Solve for x
    x = 9,487,542,032.67/112,242.22
  6. Step 6: Final answer
    x = 84,527.39

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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.