Home / 151,296.48-208,784.40-87,635.52

Finding the Fourth Proportional to 151,296.48, 208,784.40 and 87,635.52

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Solution

The fourth proportional to 151,296.48, 208,784.40 and 87,635.52 is: 120,934.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,296.48 : 208,784.40 = 87,635.52 : x
  2. Step 2: Convert to fraction form
    151,296.48/208,784.40 = 87,635.52/x
  3. Step 3: Cross multiply
    151,296.48x = 208,784.40 × 87,635.52
  4. Step 4: Simplify right side
    151,296.48x = 18,296,929,461.89
  5. Step 5: Solve for x
    x = 18,296,929,461.89/151,296.48
  6. Step 6: Final answer
    x = 120,934.27

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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.