Home / 243,700.32-365,556.75-115,586.67

Finding the Fourth Proportional to 243,700.32, 365,556.75 and 115,586.67

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Solution

The fourth proportional to 243,700.32, 365,556.75 and 115,586.67 is: 173,382.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,700.32 : 365,556.75 = 115,586.67 : x
  2. Step 2: Convert to fraction form
    243,700.32/365,556.75 = 115,586.67/x
  3. Step 3: Cross multiply
    243,700.32x = 365,556.75 × 115,586.67
  4. Step 4: Simplify right side
    243,700.32x = 42,253,487,428.52
  5. Step 5: Solve for x
    x = 42,253,487,428.52/243,700.32
  6. Step 6: Final answer
    x = 173,382.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.