Home / 133,861.80-184,854.24-86,198.16

Finding the Fourth Proportional to 133,861.80, 184,854.24 and 86,198.16

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Solution

The fourth proportional to 133,861.80, 184,854.24 and 86,198.16 is: 119,033.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,861.80 : 184,854.24 = 86,198.16 : x
  2. Step 2: Convert to fraction form
    133,861.80/184,854.24 = 86,198.16/x
  3. Step 3: Cross multiply
    133,861.80x = 184,854.24 × 86,198.16
  4. Step 4: Simplify right side
    133,861.80x = 15,934,095,356.20
  5. Step 5: Solve for x
    x = 15,934,095,356.20/133,861.80
  6. Step 6: Final answer
    x = 119,033.92

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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.