Home / 156,918-235,359.98-92,882.64

Finding the Fourth Proportional to 156,918, 235,359.98 and 92,882.64

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Solution

The fourth proportional to 156,918, 235,359.98 and 92,882.64 is: 139,313.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,918 : 235,359.98 = 92,882.64 : x
  2. Step 2: Convert to fraction form
    156,918/235,359.98 = 92,882.64/x
  3. Step 3: Cross multiply
    156,918x = 235,359.98 × 92,882.64
  4. Step 4: Simplify right side
    156,918x = 21,860,855,828.33
  5. Step 5: Solve for x
    x = 21,860,855,828.33/156,918
  6. Step 6: Final answer
    x = 139,313.88

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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.