Home / 208,852.83-288,217.17-113,359.50

Finding the Fourth Proportional to 208,852.83, 288,217.17 and 113,359.50

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Solution

The fourth proportional to 208,852.83, 288,217.17 and 113,359.50 is: 156,436.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,852.83 : 288,217.17 = 113,359.50 : x
  2. Step 2: Convert to fraction form
    208,852.83/288,217.17 = 113,359.50/x
  3. Step 3: Cross multiply
    208,852.83x = 288,217.17 × 113,359.50
  4. Step 4: Simplify right side
    208,852.83x = 32,672,154,282.62
  5. Step 5: Solve for x
    x = 32,672,154,282.62/208,852.83
  6. Step 6: Final answer
    x = 156,436.25

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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.