Home / 235,871.22-354,053.07-207,972.66

Finding the Fourth Proportional to 235,871.22, 354,053.07 and 207,972.66

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Solution

The fourth proportional to 235,871.22, 354,053.07 and 207,972.66 is: 312,176.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,871.22 : 354,053.07 = 207,972.66 : x
  2. Step 2: Convert to fraction form
    235,871.22/354,053.07 = 207,972.66/x
  3. Step 3: Cross multiply
    235,871.22x = 354,053.07 × 207,972.66
  4. Step 4: Simplify right side
    235,871.22x = 73,633,358,749.07
  5. Step 5: Solve for x
    x = 73,633,358,749.07/235,871.22
  6. Step 6: Final answer
    x = 312,176.11

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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.