Home / 231,420.71-319,665.49-177,613.22

Finding the Fourth Proportional to 231,420.71, 319,665.49 and 177,613.22

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Solution

The fourth proportional to 231,420.71, 319,665.49 and 177,613.22 is: 245,340.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,420.71 : 319,665.49 = 177,613.22 : x
  2. Step 2: Convert to fraction form
    231,420.71/319,665.49 = 177,613.22/x
  3. Step 3: Cross multiply
    231,420.71x = 319,665.49 × 177,613.22
  4. Step 4: Simplify right side
    231,420.71x = 56,776,817,356.91
  5. Step 5: Solve for x
    x = 56,776,817,356.91/231,420.71
  6. Step 6: Final answer
    x = 245,340.26

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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.