Home / 157,556.78-236,284.17-52,347.50

Finding the Fourth Proportional to 157,556.78, 236,284.17 and 52,347.50

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Solution

The fourth proportional to 157,556.78, 236,284.17 and 52,347.50 is: 78,504.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,556.78 : 236,284.17 = 52,347.50 : x
  2. Step 2: Convert to fraction form
    157,556.78/236,284.17 = 52,347.50/x
  3. Step 3: Cross multiply
    157,556.78x = 236,284.17 × 52,347.50
  4. Step 4: Simplify right side
    157,556.78x = 12,368,885,589.08
  5. Step 5: Solve for x
    x = 12,368,885,589.08/157,556.78
  6. Step 6: Final answer
    x = 78,504.31

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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.