Home / 208,514.12-287,521.26-154,898.60

Finding the Fourth Proportional to 208,514.12, 287,521.26 and 154,898.60

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Solution

The fourth proportional to 208,514.12, 287,521.26 and 154,898.60 is: 213,590.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,514.12 : 287,521.26 = 154,898.60 : x
  2. Step 2: Convert to fraction form
    208,514.12/287,521.26 = 154,898.60/x
  3. Step 3: Cross multiply
    208,514.12x = 287,521.26 × 154,898.60
  4. Step 4: Simplify right side
    208,514.12x = 44,536,640,644.24
  5. Step 5: Solve for x
    x = 44,536,640,644.24/208,514.12
  6. Step 6: Final answer
    x = 213,590.53

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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.