Home / 162,455.10-243,682.65-123,089.10

Finding the Fourth Proportional to 162,455.10, 243,682.65 and 123,089.10

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Solution

The fourth proportional to 162,455.10, 243,682.65 and 123,089.10 is: 184,633.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,455.10 : 243,682.65 = 123,089.10 : x
  2. Step 2: Convert to fraction form
    162,455.10/243,682.65 = 123,089.10/x
  3. Step 3: Cross multiply
    162,455.10x = 243,682.65 × 123,089.10
  4. Step 4: Simplify right side
    162,455.10x = 29,994,678,074.12
  5. Step 5: Solve for x
    x = 29,994,678,074.12/162,455.10
  6. Step 6: Final answer
    x = 184,633.65

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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.