Home / 190,710.39-263,192.64-105,827.45

Finding the Fourth Proportional to 190,710.39, 263,192.64 and 105,827.45

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Solution

The fourth proportional to 190,710.39, 263,192.64 and 105,827.45 is: 146,048.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,710.39 : 263,192.64 = 105,827.45 : x
  2. Step 2: Convert to fraction form
    190,710.39/263,192.64 = 105,827.45/x
  3. Step 3: Cross multiply
    190,710.39x = 263,192.64 × 105,827.45
  4. Step 4: Simplify right side
    190,710.39x = 27,853,005,224.12
  5. Step 5: Solve for x
    x = 27,853,005,224.12/190,710.39
  6. Step 6: Final answer
    x = 146,048.71

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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.