Home / 209,176.04-288,664.76-113,682.72

Finding the Fourth Proportional to 209,176.04, 288,664.76 and 113,682.72

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Solution

The fourth proportional to 209,176.04, 288,664.76 and 113,682.72 is: 156,883.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,176.04 : 288,664.76 = 113,682.72 : x
  2. Step 2: Convert to fraction form
    209,176.04/288,664.76 = 113,682.72/x
  3. Step 3: Cross multiply
    209,176.04x = 288,664.76 × 113,682.72
  4. Step 4: Simplify right side
    209,176.04x = 32,816,195,084.95
  5. Step 5: Solve for x
    x = 32,816,195,084.95/209,176.04
  6. Step 6: Final answer
    x = 156,883.15

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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.