Home / 167,263.36-230,823.65-90,782.45

Finding the Fourth Proportional to 167,263.36, 230,823.65 and 90,782.45

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Solution

The fourth proportional to 167,263.36, 230,823.65 and 90,782.45 is: 125,279.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,263.36 : 230,823.65 = 90,782.45 : x
  2. Step 2: Convert to fraction form
    167,263.36/230,823.65 = 90,782.45/x
  3. Step 3: Cross multiply
    167,263.36x = 230,823.65 × 90,782.45
  4. Step 4: Simplify right side
    167,263.36x = 20,954,735,310.82
  5. Step 5: Solve for x
    x = 20,954,735,310.82/167,263.36
  6. Step 6: Final answer
    x = 125,279.89

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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.