Home / 109,427.66-151,134.66-73,555.37

Finding the Fourth Proportional to 109,427.66, 151,134.66 and 73,555.37

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Solution

The fourth proportional to 109,427.66, 151,134.66 and 73,555.37 is: 101,590.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,427.66 : 151,134.66 = 73,555.37 : x
  2. Step 2: Convert to fraction form
    109,427.66/151,134.66 = 73,555.37/x
  3. Step 3: Cross multiply
    109,427.66x = 151,134.66 × 73,555.37
  4. Step 4: Simplify right side
    109,427.66x = 11,116,765,080.45
  5. Step 5: Solve for x
    x = 11,116,765,080.45/109,427.66
  6. Step 6: Final answer
    x = 101,590.09

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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.