Home / 208,929.05-288,329.07-117,052.30

Finding the Fourth Proportional to 208,929.05, 288,329.07 and 117,052.30

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Solution

The fourth proportional to 208,929.05, 288,329.07 and 117,052.30 is: 161,536.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,929.05 : 288,329.07 = 117,052.30 : x
  2. Step 2: Convert to fraction form
    208,929.05/288,329.07 = 117,052.30/x
  3. Step 3: Cross multiply
    208,929.05x = 288,329.07 × 117,052.30
  4. Step 4: Simplify right side
    208,929.05x = 33,749,581,346.76
  5. Step 5: Solve for x
    x = 33,749,581,346.76/208,929.05
  6. Step 6: Final answer
    x = 161,536.09

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1.5x scale

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.