Home / 209,269.76-288,834.16-124,370.40

Finding the Fourth Proportional to 209,269.76, 288,834.16 and 124,370.40

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Solution

The fourth proportional to 209,269.76, 288,834.16 and 124,370.40 is: 171,656.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,269.76 : 288,834.16 = 124,370.40 : x
  2. Step 2: Convert to fraction form
    209,269.76/288,834.16 = 124,370.40/x
  3. Step 3: Cross multiply
    209,269.76x = 288,834.16 × 124,370.40
  4. Step 4: Simplify right side
    209,269.76x = 35,922,420,012.86
  5. Step 5: Solve for x
    x = 35,922,420,012.86/209,269.76
  6. Step 6: Final answer
    x = 171,656.05

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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.