Home / 111,740.74-154,202.22-61,439.74

Finding the Fourth Proportional to 111,740.74, 154,202.22 and 61,439.74

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Solution

The fourth proportional to 111,740.74, 154,202.22 and 61,439.74 is: 84,786.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,740.74 : 154,202.22 = 61,439.74 : x
  2. Step 2: Convert to fraction form
    111,740.74/154,202.22 = 61,439.74/x
  3. Step 3: Cross multiply
    111,740.74x = 154,202.22 × 61,439.74
  4. Step 4: Simplify right side
    111,740.74x = 9,474,144,304.22
  5. Step 5: Solve for x
    x = 9,474,144,304.22/111,740.74
  6. Step 6: Final answer
    x = 84,786.84

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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.