Home / 231,357.36-319,267.14-127,995.36

Finding the Fourth Proportional to 231,357.36, 319,267.14 and 127,995.36

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Solution

The fourth proportional to 231,357.36, 319,267.14 and 127,995.36 is: 176,630.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,357.36 : 319,267.14 = 127,995.36 : x
  2. Step 2: Convert to fraction form
    231,357.36/319,267.14 = 127,995.36/x
  3. Step 3: Cross multiply
    231,357.36x = 319,267.14 × 127,995.36
  4. Step 4: Simplify right side
    231,357.36x = 40,864,712,520.47
  5. Step 5: Solve for x
    x = 40,864,712,520.47/231,357.36
  6. Step 6: Final answer
    x = 176,630.27

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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.