Home / 163,943.65-226,253.82-91,351.36

Finding the Fourth Proportional to 163,943.65, 226,253.82 and 91,351.36

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Solution

The fourth proportional to 163,943.65, 226,253.82 and 91,351.36 is: 126,071.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,943.65 : 226,253.82 = 91,351.36 : x
  2. Step 2: Convert to fraction form
    163,943.65/226,253.82 = 91,351.36/x
  3. Step 3: Cross multiply
    163,943.65x = 226,253.82 × 91,351.36
  4. Step 4: Simplify right side
    163,943.65x = 20,668,592,574.17
  5. Step 5: Solve for x
    x = 20,668,592,574.17/163,943.65
  6. Step 6: Final answer
    x = 126,071.33

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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.