Home / 167,112.30-230,615.08-90,631.37

Finding the Fourth Proportional to 167,112.30, 230,615.08 and 90,631.37

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Solution

The fourth proportional to 167,112.30, 230,615.08 and 90,631.37 is: 125,071.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,112.30 : 230,615.08 = 90,631.37 : x
  2. Step 2: Convert to fraction form
    167,112.30/230,615.08 = 90,631.37/x
  3. Step 3: Cross multiply
    167,112.30x = 230,615.08 × 90,631.37
  4. Step 4: Simplify right side
    167,112.30x = 20,900,960,643.06
  5. Step 5: Solve for x
    x = 20,900,960,643.06/167,112.30
  6. Step 6: Final answer
    x = 125,071.35

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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.