Home / 151,318.07-208,748.76-97,620.32

Finding the Fourth Proportional to 151,318.07, 208,748.76 and 97,620.32

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Solution

The fourth proportional to 151,318.07, 208,748.76 and 97,620.32 is: 134,670.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,318.07 : 208,748.76 = 97,620.32 : x
  2. Step 2: Convert to fraction form
    151,318.07/208,748.76 = 97,620.32/x
  3. Step 3: Cross multiply
    151,318.07x = 208,748.76 × 97,620.32
  4. Step 4: Simplify right side
    151,318.07x = 20,378,120,750.80
  5. Step 5: Solve for x
    x = 20,378,120,750.80/151,318.07
  6. Step 6: Final answer
    x = 134,670.77

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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.