Home / 293,656.50-405,211.59-172,771.20

Finding the Fourth Proportional to 293,656.50, 405,211.59 and 172,771.20

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Solution

The fourth proportional to 293,656.50, 405,211.59 and 172,771.20 is: 238,404.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,656.50 : 405,211.59 = 172,771.20 : x
  2. Step 2: Convert to fraction form
    293,656.50/405,211.59 = 172,771.20/x
  3. Step 3: Cross multiply
    293,656.50x = 405,211.59 × 172,771.20
  4. Step 4: Simplify right side
    293,656.50x = 70,008,892,658.21
  5. Step 5: Solve for x
    x = 70,008,892,658.21/293,656.50
  6. Step 6: Final answer
    x = 238,404.03

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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.