Home / 381,186.04-526,028.70-211,416.52

Finding the Fourth Proportional to 381,186.04, 526,028.70 and 211,416.52

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Solution

The fourth proportional to 381,186.04, 526,028.70 and 211,416.52 is: 291,750.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,186.04 : 526,028.70 = 211,416.52 : x
  2. Step 2: Convert to fraction form
    381,186.04/526,028.70 = 211,416.52/x
  3. Step 3: Cross multiply
    381,186.04x = 526,028.70 × 211,416.52
  4. Step 4: Simplify right side
    381,186.04x = 111,211,157,174.12
  5. Step 5: Solve for x
    x = 111,211,157,174.12/381,186.04
  6. Step 6: Final answer
    x = 291,750.34

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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.