Home / 190,723.83-263,190.02-105,840.15

Finding the Fourth Proportional to 190,723.83, 263,190.02 and 105,840.15

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Solution

The fourth proportional to 190,723.83, 263,190.02 and 105,840.15 is: 146,054.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,723.83 : 263,190.02 = 105,840.15 : x
  2. Step 2: Convert to fraction form
    190,723.83/263,190.02 = 105,840.15/x
  3. Step 3: Cross multiply
    190,723.83x = 263,190.02 × 105,840.15
  4. Step 4: Simplify right side
    190,723.83x = 27,856,070,666.10
  5. Step 5: Solve for x
    x = 27,856,070,666.10/190,723.83
  6. Step 6: Final answer
    x = 146,054.48

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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.