Home / 162,700.24-243,606.48-123,137.68

Finding the Fourth Proportional to 162,700.24, 243,606.48 and 123,137.68

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Solution

The fourth proportional to 162,700.24, 243,606.48 and 123,137.68 is: 184,370.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,700.24 : 243,606.48 = 123,137.68 : x
  2. Step 2: Convert to fraction form
    162,700.24/243,606.48 = 123,137.68/x
  3. Step 3: Cross multiply
    162,700.24x = 243,606.48 × 123,137.68
  4. Step 4: Simplify right side
    162,700.24x = 29,997,136,780.17
  5. Step 5: Solve for x
    x = 29,997,136,780.17/162,700.24
  6. Step 6: Final answer
    x = 184,370.57

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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.