Home / 209,175.83-288,664.88-113,682.53

Finding the Fourth Proportional to 209,175.83, 288,664.88 and 113,682.53

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Solution

The fourth proportional to 209,175.83, 288,664.88 and 113,682.53 is: 156,883.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,175.83 : 288,664.88 = 113,682.53 : x
  2. Step 2: Convert to fraction form
    209,175.83/288,664.88 = 113,682.53/x
  3. Step 3: Cross multiply
    209,175.83x = 288,664.88 × 113,682.53
  4. Step 4: Simplify right side
    209,175.83x = 32,816,151,868.81
  5. Step 5: Solve for x
    x = 32,816,151,868.81/209,175.83
  6. Step 6: Final answer
    x = 156,883.10

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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.