Home / 161,489.04-242,245.98-49,178.76

Finding the Fourth Proportional to 161,489.04, 242,245.98 and 49,178.76

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Solution

The fourth proportional to 161,489.04, 242,245.98 and 49,178.76 is: 73,771.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,489.04 : 242,245.98 = 49,178.76 : x
  2. Step 2: Convert to fraction form
    161,489.04/242,245.98 = 49,178.76/x
  3. Step 3: Cross multiply
    161,489.04x = 242,245.98 × 49,178.76
  4. Step 4: Simplify right side
    161,489.04x = 11,913,356,911.38
  5. Step 5: Solve for x
    x = 11,913,356,911.38/161,489.04
  6. Step 6: Final answer
    x = 73,771.92

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1.5x scale

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.