Home / 215,493.16-297,380.56-124,901.67

Finding the Fourth Proportional to 215,493.16, 297,380.56 and 124,901.67

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Solution

The fourth proportional to 215,493.16, 297,380.56 and 124,901.67 is: 172,364.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,493.16 : 297,380.56 = 124,901.67 : x
  2. Step 2: Convert to fraction form
    215,493.16/297,380.56 = 124,901.67/x
  3. Step 3: Cross multiply
    215,493.16x = 297,380.56 × 124,901.67
  4. Step 4: Simplify right side
    215,493.16x = 37,143,328,682.44
  5. Step 5: Solve for x
    x = 37,143,328,682.44/215,493.16
  6. Step 6: Final answer
    x = 172,364.31

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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.