Home / 151,269.06-208,596.56-100,264.08

Finding the Fourth Proportional to 151,269.06, 208,596.56 and 100,264.08

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Solution

The fourth proportional to 151,269.06, 208,596.56 and 100,264.08 is: 138,261.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,269.06 : 208,596.56 = 100,264.08 : x
  2. Step 2: Convert to fraction form
    151,269.06/208,596.56 = 100,264.08/x
  3. Step 3: Cross multiply
    151,269.06x = 208,596.56 × 100,264.08
  4. Step 4: Simplify right side
    151,269.06x = 20,914,742,179.56
  5. Step 5: Solve for x
    x = 20,914,742,179.56/151,269.06
  6. Step 6: Final answer
    x = 138,261.86

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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.