Home / 212,666.27-319,061.70-62,910.54

Finding the Fourth Proportional to 212,666.27, 319,061.70 and 62,910.54

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Solution

The fourth proportional to 212,666.27, 319,061.70 and 62,910.54 is: 94,384.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,666.27 : 319,061.70 = 62,910.54 : x
  2. Step 2: Convert to fraction form
    212,666.27/319,061.70 = 62,910.54/x
  3. Step 3: Cross multiply
    212,666.27x = 319,061.70 × 62,910.54
  4. Step 4: Simplify right side
    212,666.27x = 20,072,343,840.32
  5. Step 5: Solve for x
    x = 20,072,343,840.32/212,666.27
  6. Step 6: Final answer
    x = 94,384.24

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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.