Home / 208,158.25-287,265.39-127,570.24

Finding the Fourth Proportional to 208,158.25, 287,265.39 and 127,570.24

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Solution

The fourth proportional to 208,158.25, 287,265.39 and 127,570.24 is: 176,051.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,158.25 : 287,265.39 = 127,570.24 : x
  2. Step 2: Convert to fraction form
    208,158.25/287,265.39 = 127,570.24/x
  3. Step 3: Cross multiply
    208,158.25x = 287,265.39 × 127,570.24
  4. Step 4: Simplify right side
    208,158.25x = 36,646,514,745.99
  5. Step 5: Solve for x
    x = 36,646,514,745.99/208,158.25
  6. Step 6: Final answer
    x = 176,051.22

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1.5x scale

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.