Home / 153,176.30-211,367.09-85,182.33

Finding the Fourth Proportional to 153,176.30, 211,367.09 and 85,182.33

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Solution

The fourth proportional to 153,176.30, 211,367.09 and 85,182.33 is: 117,542.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,176.30 : 211,367.09 = 85,182.33 : x
  2. Step 2: Convert to fraction form
    153,176.30/211,367.09 = 85,182.33/x
  3. Step 3: Cross multiply
    153,176.30x = 211,367.09 × 85,182.33
  4. Step 4: Simplify right side
    153,176.30x = 18,004,740,785.61
  5. Step 5: Solve for x
    x = 18,004,740,785.61/153,176.30
  6. Step 6: Final answer
    x = 117,542.61

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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.