Home / 190,245.10-262,538.13-105,362.08

Finding the Fourth Proportional to 190,245.10, 262,538.13 and 105,362.08

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Solution

The fourth proportional to 190,245.10, 262,538.13 and 105,362.08 is: 145,399.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,245.10 : 262,538.13 = 105,362.08 : x
  2. Step 2: Convert to fraction form
    190,245.10/262,538.13 = 105,362.08/x
  3. Step 3: Cross multiply
    190,245.10x = 262,538.13 × 105,362.08
  4. Step 4: Simplify right side
    190,245.10x = 27,661,563,456.11
  5. Step 5: Solve for x
    x = 27,661,563,456.11/190,245.10
  6. Step 6: Final answer
    x = 145,399.61

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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.