Home / 212,728.23-293,564.96-117,234.93

Finding the Fourth Proportional to 212,728.23, 293,564.96 and 117,234.93

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Solution

The fourth proportional to 212,728.23, 293,564.96 and 117,234.93 is: 161,784.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,728.23 : 293,564.96 = 117,234.93 : x
  2. Step 2: Convert to fraction form
    212,728.23/293,564.96 = 117,234.93/x
  3. Step 3: Cross multiply
    212,728.23x = 293,564.96 × 117,234.93
  4. Step 4: Simplify right side
    212,728.23x = 34,416,065,775.14
  5. Step 5: Solve for x
    x = 34,416,065,775.14/212,728.23
  6. Step 6: Final answer
    x = 161,784.20

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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.