Home / 209,117.76-288,583.68-113,625.24

Finding the Fourth Proportional to 209,117.76, 288,583.68 and 113,625.24

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Solution

The fourth proportional to 209,117.76, 288,583.68 and 113,625.24 is: 156,803.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,117.76 : 288,583.68 = 113,625.24 : x
  2. Step 2: Convert to fraction form
    209,117.76/288,583.68 = 113,625.24/x
  3. Step 3: Cross multiply
    209,117.76x = 288,583.68 × 113,625.24
  4. Step 4: Simplify right side
    209,117.76x = 32,790,389,900.08
  5. Step 5: Solve for x
    x = 32,790,389,900.08/209,117.76
  6. Step 6: Final answer
    x = 156,803.47

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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.