Home / 191,617.12-264,439.79-106,734.16

Finding the Fourth Proportional to 191,617.12, 264,439.79 and 106,734.16

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Solution

The fourth proportional to 191,617.12, 264,439.79 and 106,734.16 is: 147,297.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,617.12 : 264,439.79 = 106,734.16 : x
  2. Step 2: Convert to fraction form
    191,617.12/264,439.79 = 106,734.16/x
  3. Step 3: Cross multiply
    191,617.12x = 264,439.79 × 106,734.16
  4. Step 4: Simplify right side
    191,617.12x = 28,224,758,856.23
  5. Step 5: Solve for x
    x = 28,224,758,856.23/191,617.12
  6. Step 6: Final answer
    x = 147,297.69

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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.