Home / 215,438.54-297,341.21-124,849.62

Finding the Fourth Proportional to 215,438.54, 297,341.21 and 124,849.62

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Solution

The fourth proportional to 215,438.54, 297,341.21 and 124,849.62 is: 172,313.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,438.54 : 297,341.21 = 124,849.62 : x
  2. Step 2: Convert to fraction form
    215,438.54/297,341.21 = 124,849.62/x
  3. Step 3: Cross multiply
    215,438.54x = 297,341.21 × 124,849.62
  4. Step 4: Simplify right side
    215,438.54x = 37,122,937,390.96
  5. Step 5: Solve for x
    x = 37,122,937,390.96/215,438.54
  6. Step 6: Final answer
    x = 172,313.36

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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.