Home / 153,001.61-211,142.24-85,016.59

Finding the Fourth Proportional to 153,001.61, 211,142.24 and 85,016.59

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Solution

The fourth proportional to 153,001.61, 211,142.24 and 85,016.59 is: 117,322.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,001.61 : 211,142.24 = 85,016.59 : x
  2. Step 2: Convert to fraction form
    153,001.61/211,142.24 = 85,016.59/x
  3. Step 3: Cross multiply
    153,001.61x = 211,142.24 × 85,016.59
  4. Step 4: Simplify right side
    153,001.61x = 17,950,593,093.85
  5. Step 5: Solve for x
    x = 17,950,593,093.85/153,001.61
  6. Step 6: Final answer
    x = 117,322.90

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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.