Home / 167,239.17-230,790.18-90,758.25

Finding the Fourth Proportional to 167,239.17, 230,790.18 and 90,758.25

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Solution

The fourth proportional to 167,239.17, 230,790.18 and 90,758.25 is: 125,246.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,239.17 : 230,790.18 = 90,758.25 : x
  2. Step 2: Convert to fraction form
    167,239.17/230,790.18 = 90,758.25/x
  3. Step 3: Cross multiply
    167,239.17x = 230,790.18 × 90,758.25
  4. Step 4: Simplify right side
    167,239.17x = 20,946,112,853.99
  5. Step 5: Solve for x
    x = 20,946,112,853.99/167,239.17
  6. Step 6: Final answer
    x = 125,246.45

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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.