Home / 657,367.02-986,198.19-208,114.86

Finding the Fourth Proportional to 657,367.02, 986,198.19 and 208,114.86

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Solution

The fourth proportional to 657,367.02, 986,198.19 and 208,114.86 is: 312,219.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,367.02 : 986,198.19 = 208,114.86 : x
  2. Step 2: Convert to fraction form
    657,367.02/986,198.19 = 208,114.86/x
  3. Step 3: Cross multiply
    657,367.02x = 986,198.19 × 208,114.86
  4. Step 4: Simplify right side
    657,367.02x = 205,242,498,244.10
  5. Step 5: Solve for x
    x = 205,242,498,244.10/657,367.02
  6. Step 6: Final answer
    x = 312,219.04

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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.