Home / 111,790.18-154,267.23-61,489.18

Finding the Fourth Proportional to 111,790.18, 154,267.23 and 61,489.18

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Solution

The fourth proportional to 111,790.18, 154,267.23 and 61,489.18 is: 84,853.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,790.18 : 154,267.23 = 61,489.18 : x
  2. Step 2: Convert to fraction form
    111,790.18/154,267.23 = 61,489.18/x
  3. Step 3: Cross multiply
    111,790.18x = 154,267.23 × 61,489.18
  4. Step 4: Simplify right side
    111,790.18x = 9,485,765,473.57
  5. Step 5: Solve for x
    x = 9,485,765,473.57/111,790.18
  6. Step 6: Final answer
    x = 84,853.30

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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.