Home / 231,743.37-319,838.23-167,420.70

Finding the Fourth Proportional to 231,743.37, 319,838.23 and 167,420.70

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Solution

The fourth proportional to 231,743.37, 319,838.23 and 167,420.70 is: 231,063.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,743.37 : 319,838.23 = 167,420.70 : x
  2. Step 2: Convert to fraction form
    231,743.37/319,838.23 = 167,420.70/x
  3. Step 3: Cross multiply
    231,743.37x = 319,838.23 × 167,420.70
  4. Step 4: Simplify right side
    231,743.37x = 53,547,539,898.53
  5. Step 5: Solve for x
    x = 53,547,539,898.53/231,743.37
  6. Step 6: Final answer
    x = 231,063.96

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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.