Home / 153,250.13-211,486.23-85,269.97

Finding the Fourth Proportional to 153,250.13, 211,486.23 and 85,269.97

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Solution

The fourth proportional to 153,250.13, 211,486.23 and 85,269.97 is: 117,673.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,250.13 : 211,486.23 = 85,269.97 : x
  2. Step 2: Convert to fraction form
    153,250.13/211,486.23 = 85,269.97/x
  3. Step 3: Cross multiply
    153,250.13x = 211,486.23 × 85,269.97
  4. Step 4: Simplify right side
    153,250.13x = 18,033,423,958.80
  5. Step 5: Solve for x
    x = 18,033,423,958.80/153,250.13
  6. Step 6: Final answer
    x = 117,673.14

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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.