Home / 209,120.49-313,680.11-59,360.91

Finding the Fourth Proportional to 209,120.49, 313,680.11 and 59,360.91

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Solution

The fourth proportional to 209,120.49, 313,680.11 and 59,360.91 is: 89,041.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,120.49 : 313,680.11 = 59,360.91 : x
  2. Step 2: Convert to fraction form
    209,120.49/313,680.11 = 59,360.91/x
  3. Step 3: Cross multiply
    209,120.49x = 313,680.11 × 59,360.91
  4. Step 4: Simplify right side
    209,120.49x = 18,620,335,305.40
  5. Step 5: Solve for x
    x = 18,620,335,305.40/209,120.49
  6. Step 6: Final answer
    x = 89,041.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.