Home / 356,556.48-534,272.16-131,607.36

Finding the Fourth Proportional to 356,556.48, 534,272.16 and 131,607.36

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Solution

The fourth proportional to 356,556.48, 534,272.16 and 131,607.36 is: 197,203.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,556.48 : 534,272.16 = 131,607.36 : x
  2. Step 2: Convert to fraction form
    356,556.48/534,272.16 = 131,607.36/x
  3. Step 3: Cross multiply
    356,556.48x = 534,272.16 × 131,607.36
  4. Step 4: Simplify right side
    356,556.48x = 70,314,148,499.10
  5. Step 5: Solve for x
    x = 70,314,148,499.10/356,556.48
  6. Step 6: Final answer
    x = 197,203.40

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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.