Home / 111,840.09-154,339.99-60,853.18

Finding the Fourth Proportional to 111,840.09, 154,339.99 and 60,853.18

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Solution

The fourth proportional to 111,840.09, 154,339.99 and 60,853.18 is: 83,977.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,840.09 : 154,339.99 = 60,853.18 : x
  2. Step 2: Convert to fraction form
    111,840.09/154,339.99 = 60,853.18/x
  3. Step 3: Cross multiply
    111,840.09x = 154,339.99 × 60,853.18
  4. Step 4: Simplify right side
    111,840.09x = 9,392,078,654.69
  5. Step 5: Solve for x
    x = 9,392,078,654.69/111,840.09
  6. Step 6: Final answer
    x = 83,977.75

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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.