Home / 231,879.49-319,901.56-144,613.25

Finding the Fourth Proportional to 231,879.49, 319,901.56 and 144,613.25

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Solution

The fourth proportional to 231,879.49, 319,901.56 and 144,613.25 is: 199,508.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,879.49 : 319,901.56 = 144,613.25 : x
  2. Step 2: Convert to fraction form
    231,879.49/319,901.56 = 144,613.25/x
  3. Step 3: Cross multiply
    231,879.49x = 319,901.56 × 144,613.25
  4. Step 4: Simplify right side
    231,879.49x = 46,262,004,271.67
  5. Step 5: Solve for x
    x = 46,262,004,271.67/231,879.49
  6. Step 6: Final answer
    x = 199,508.82

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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.