Home / 151,336.96-208,788.16-87,651.52

Finding the Fourth Proportional to 151,336.96, 208,788.16 and 87,651.52

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Solution

The fourth proportional to 151,336.96, 208,788.16 and 87,651.52 is: 120,926.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,336.96 : 208,788.16 = 87,651.52 : x
  2. Step 2: Convert to fraction form
    151,336.96/208,788.16 = 87,651.52/x
  3. Step 3: Cross multiply
    151,336.96x = 208,788.16 × 87,651.52
  4. Step 4: Simplify right side
    151,336.96x = 18,300,599,582.00
  5. Step 5: Solve for x
    x = 18,300,599,582.00/151,336.96
  6. Step 6: Final answer
    x = 120,926.17

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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.