Home / 199,514.16-274,949.64-142,827.12

Finding the Fourth Proportional to 199,514.16, 274,949.64 and 142,827.12

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Solution

The fourth proportional to 199,514.16, 274,949.64 and 142,827.12 is: 196,829.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,514.16 : 274,949.64 = 142,827.12 : x
  2. Step 2: Convert to fraction form
    199,514.16/274,949.64 = 142,827.12/x
  3. Step 3: Cross multiply
    199,514.16x = 274,949.64 × 142,827.12
  4. Step 4: Simplify right side
    199,514.16x = 39,270,265,226.24
  5. Step 5: Solve for x
    x = 39,270,265,226.24/199,514.16
  6. Step 6: Final answer
    x = 196,829.46

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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.