Home / 209,761.20-314,645.04-59,998.68

Finding the Fourth Proportional to 209,761.20, 314,645.04 and 59,998.68

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Solution

The fourth proportional to 209,761.20, 314,645.04 and 59,998.68 is: 89,998.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,761.20 : 314,645.04 = 59,998.68 : x
  2. Step 2: Convert to fraction form
    209,761.20/314,645.04 = 59,998.68/x
  3. Step 3: Cross multiply
    209,761.20x = 314,645.04 × 59,998.68
  4. Step 4: Simplify right side
    209,761.20x = 18,878,287,068.55
  5. Step 5: Solve for x
    x = 18,878,287,068.55/209,761.20
  6. Step 6: Final answer
    x = 89,998.95

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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.