Home / 112,241.10-154,887.89-61,252.55

Finding the Fourth Proportional to 112,241.10, 154,887.89 and 61,252.55

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Solution

The fourth proportional to 112,241.10, 154,887.89 and 61,252.55 is: 84,525.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,241.10 : 154,887.89 = 61,252.55 : x
  2. Step 2: Convert to fraction form
    112,241.10/154,887.89 = 61,252.55/x
  3. Step 3: Cross multiply
    112,241.10x = 154,887.89 × 61,252.55
  4. Step 4: Simplify right side
    112,241.10x = 9,487,277,145.92
  5. Step 5: Solve for x
    x = 9,487,277,145.92/112,241.10
  6. Step 6: Final answer
    x = 84,525.87

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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.