Home / 112,186.39-154,817.72-61,200.28

Finding the Fourth Proportional to 112,186.39, 154,817.72 and 61,200.28

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Solution

The fourth proportional to 112,186.39, 154,817.72 and 61,200.28 is: 84,456.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,186.39 : 154,817.72 = 61,200.28 : x
  2. Step 2: Convert to fraction form
    112,186.39/154,817.72 = 61,200.28/x
  3. Step 3: Cross multiply
    112,186.39x = 154,817.72 × 61,200.28
  4. Step 4: Simplify right side
    112,186.39x = 9,474,887,812.96
  5. Step 5: Solve for x
    x = 9,474,887,812.96/112,186.39
  6. Step 6: Final answer
    x = 84,456.66

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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.