Home / 215,396.11-297,338.52-153,346.60

Finding the Fourth Proportional to 215,396.11, 297,338.52 and 153,346.60

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Solution

The fourth proportional to 215,396.11, 297,338.52 and 153,346.60 is: 211,683.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,396.11 : 297,338.52 = 153,346.60 : x
  2. Step 2: Convert to fraction form
    215,396.11/297,338.52 = 153,346.60/x
  3. Step 3: Cross multiply
    215,396.11x = 297,338.52 × 153,346.60
  4. Step 4: Simplify right side
    215,396.11x = 45,595,851,091.03
  5. Step 5: Solve for x
    x = 45,595,851,091.03/215,396.11
  6. Step 6: Final answer
    x = 211,683.73

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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.