Home / 215,337.20-297,175.08-124,697.12

Finding the Fourth Proportional to 215,337.20, 297,175.08 and 124,697.12

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Solution

The fourth proportional to 215,337.20, 297,175.08 and 124,697.12 is: 172,087.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,337.20 : 297,175.08 = 124,697.12 : x
  2. Step 2: Convert to fraction form
    215,337.20/297,175.08 = 124,697.12/x
  3. Step 3: Cross multiply
    215,337.20x = 297,175.08 × 124,697.12
  4. Step 4: Simplify right side
    215,337.20x = 37,056,876,611.77
  5. Step 5: Solve for x
    x = 37,056,876,611.77/215,337.20
  6. Step 6: Final answer
    x = 172,087.67

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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.