Home / 178,849.86-268,316.28-52,485

Finding the Fourth Proportional to 178,849.86, 268,316.28 and 52,485

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Solution

The fourth proportional to 178,849.86, 268,316.28 and 52,485 is: 78,739.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,849.86 : 268,316.28 = 52,485 : x
  2. Step 2: Convert to fraction form
    178,849.86/268,316.28 = 52,485/x
  3. Step 3: Cross multiply
    178,849.86x = 268,316.28 × 52,485
  4. Step 4: Simplify right side
    178,849.86x = 14,082,579,955.80
  5. Step 5: Solve for x
    x = 14,082,579,955.80/178,849.86
  6. Step 6: Final answer
    x = 78,739.68

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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.