Home / 209,317.30-288,865.47-119,910.58

Finding the Fourth Proportional to 209,317.30, 288,865.47 and 119,910.58

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Solution

The fourth proportional to 209,317.30, 288,865.47 and 119,910.58 is: 165,480.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,317.30 : 288,865.47 = 119,910.58 : x
  2. Step 2: Convert to fraction form
    209,317.30/288,865.47 = 119,910.58/x
  3. Step 3: Cross multiply
    209,317.30x = 288,865.47 × 119,910.58
  4. Step 4: Simplify right side
    209,317.30x = 34,638,025,777.17
  5. Step 5: Solve for x
    x = 34,638,025,777.17/209,317.30
  6. Step 6: Final answer
    x = 165,480.95

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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.