Home / 135,790.62-187,393.08-75,365.16

Finding the Fourth Proportional to 135,790.62, 187,393.08 and 75,365.16

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Solution

The fourth proportional to 135,790.62, 187,393.08 and 75,365.16 is: 104,005.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,790.62 : 187,393.08 = 75,365.16 : x
  2. Step 2: Convert to fraction form
    135,790.62/187,393.08 = 75,365.16/x
  3. Step 3: Cross multiply
    135,790.62x = 187,393.08 × 75,365.16
  4. Step 4: Simplify right side
    135,790.62x = 14,122,909,457.09
  5. Step 5: Solve for x
    x = 14,122,909,457.09/135,790.62
  6. Step 6: Final answer
    x = 104,005.04

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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.