Home / 153,175.62-211,366.14-85,181.58

Finding the Fourth Proportional to 153,175.62, 211,366.14 and 85,181.58

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Solution

The fourth proportional to 153,175.62, 211,366.14 and 85,181.58 is: 117,541.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,175.62 : 211,366.14 = 85,181.58 : x
  2. Step 2: Convert to fraction form
    153,175.62/211,366.14 = 85,181.58/x
  3. Step 3: Cross multiply
    153,175.62x = 211,366.14 × 85,181.58
  4. Step 4: Simplify right side
    153,175.62x = 18,004,501,763.70
  5. Step 5: Solve for x
    x = 18,004,501,763.70/153,175.62
  6. Step 6: Final answer
    x = 117,541.56

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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.