Home / 151,094.62-208,497.72-87,436.36

Finding the Fourth Proportional to 151,094.62, 208,497.72 and 87,436.36

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Solution

The fourth proportional to 151,094.62, 208,497.72 and 87,436.36 is: 120,654.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,094.62 : 208,497.72 = 87,436.36 : x
  2. Step 2: Convert to fraction form
    151,094.62/208,497.72 = 87,436.36/x
  3. Step 3: Cross multiply
    151,094.62x = 208,497.72 × 87,436.36
  4. Step 4: Simplify right side
    151,094.62x = 18,230,281,705.10
  5. Step 5: Solve for x
    x = 18,230,281,705.10/151,094.62
  6. Step 6: Final answer
    x = 120,654.74

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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.