Home / 163,841.40-225,959.82-127,975.80

Finding the Fourth Proportional to 163,841.40, 225,959.82 and 127,975.80

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Solution

The fourth proportional to 163,841.40, 225,959.82 and 127,975.80 is: 176,496.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,841.40 : 225,959.82 = 127,975.80 : x
  2. Step 2: Convert to fraction form
    163,841.40/225,959.82 = 127,975.80/x
  3. Step 3: Cross multiply
    163,841.40x = 225,959.82 × 127,975.80
  4. Step 4: Simplify right side
    163,841.40x = 28,917,388,732.36
  5. Step 5: Solve for x
    x = 28,917,388,732.36/163,841.40
  6. Step 6: Final answer
    x = 176,496.23

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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.