Home / 191,812.08-264,529.08-120,199.92

Finding the Fourth Proportional to 191,812.08, 264,529.08 and 120,199.92

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Solution

The fourth proportional to 191,812.08, 264,529.08 and 120,199.92 is: 165,768.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,812.08 : 264,529.08 = 120,199.92 : x
  2. Step 2: Convert to fraction form
    191,812.08/264,529.08 = 120,199.92/x
  3. Step 3: Cross multiply
    191,812.08x = 264,529.08 × 120,199.92
  4. Step 4: Simplify right side
    191,812.08x = 31,796,374,253.67
  5. Step 5: Solve for x
    x = 31,796,374,253.67/191,812.08
  6. Step 6: Final answer
    x = 165,768.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.