Home / 456,206.44-684,265.68-140,578.60

Finding the Fourth Proportional to 456,206.44, 684,265.68 and 140,578.60

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Solution

The fourth proportional to 456,206.44, 684,265.68 and 140,578.60 is: 210,854.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,206.44 : 684,265.68 = 140,578.60 : x
  2. Step 2: Convert to fraction form
    456,206.44/684,265.68 = 140,578.60/x
  3. Step 3: Cross multiply
    456,206.44x = 684,265.68 × 140,578.60
  4. Step 4: Simplify right side
    456,206.44x = 96,193,111,322.45
  5. Step 5: Solve for x
    x = 96,193,111,322.45/456,206.44
  6. Step 6: Final answer
    x = 210,854.35

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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.