Home / 151,360.53-208,877.59-87,735.24

Finding the Fourth Proportional to 151,360.53, 208,877.59 and 87,735.24

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Solution

The fourth proportional to 151,360.53, 208,877.59 and 87,735.24 is: 121,074.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,360.53 : 208,877.59 = 87,735.24 : x
  2. Step 2: Convert to fraction form
    151,360.53/208,877.59 = 87,735.24/x
  3. Step 3: Cross multiply
    151,360.53x = 208,877.59 × 87,735.24
  4. Step 4: Simplify right side
    151,360.53x = 18,325,924,006.21
  5. Step 5: Solve for x
    x = 18,325,924,006.21/151,360.53
  6. Step 6: Final answer
    x = 121,074.66

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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.