Home / 151,191.14-208,631.62-87,533.04

Finding the Fourth Proportional to 151,191.14, 208,631.62 and 87,533.04

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Solution

The fourth proportional to 151,191.14, 208,631.62 and 87,533.04 is: 120,788.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,191.14 : 208,631.62 = 87,533.04 : x
  2. Step 2: Convert to fraction form
    151,191.14/208,631.62 = 87,533.04/x
  3. Step 3: Cross multiply
    151,191.14x = 208,631.62 × 87,533.04
  4. Step 4: Simplify right side
    151,191.14x = 18,262,159,938.72
  5. Step 5: Solve for x
    x = 18,262,159,938.72/151,191.14
  6. Step 6: Final answer
    x = 120,788.56

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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.