Home / 199,520.16-274,957.92-142,833.12

Finding the Fourth Proportional to 199,520.16, 274,957.92 and 142,833.12

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Solution

The fourth proportional to 199,520.16, 274,957.92 and 142,833.12 is: 196,837.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,520.16 : 274,957.92 = 142,833.12 : x
  2. Step 2: Convert to fraction form
    199,520.16/274,957.92 = 142,833.12/x
  3. Step 3: Cross multiply
    199,520.16x = 274,957.92 × 142,833.12
  4. Step 4: Simplify right side
    199,520.16x = 39,273,097,582.31
  5. Step 5: Solve for x
    x = 39,273,097,582.31/199,520.16
  6. Step 6: Final answer
    x = 196,837.74

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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.