Home / 208,917.08-313,335.54-59,121.20

Finding the Fourth Proportional to 208,917.08, 313,335.54 and 59,121.20

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Solution

The fourth proportional to 208,917.08, 313,335.54 and 59,121.20 is: 88,670.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,917.08 : 313,335.54 = 59,121.20 : x
  2. Step 2: Convert to fraction form
    208,917.08/313,335.54 = 59,121.20/x
  3. Step 3: Cross multiply
    208,917.08x = 313,335.54 × 59,121.20
  4. Step 4: Simplify right side
    208,917.08x = 18,524,773,127.45
  5. Step 5: Solve for x
    x = 18,524,773,127.45/208,917.08
  6. Step 6: Final answer
    x = 88,670.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.