Home / 190,231.56-262,527.45-105,348.66

Finding the Fourth Proportional to 190,231.56, 262,527.45 and 105,348.66

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Solution

The fourth proportional to 190,231.56, 262,527.45 and 105,348.66 is: 145,385.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,231.56 : 262,527.45 = 105,348.66 : x
  2. Step 2: Convert to fraction form
    190,231.56/262,527.45 = 105,348.66/x
  3. Step 3: Cross multiply
    190,231.56x = 262,527.45 × 105,348.66
  4. Step 4: Simplify right side
    190,231.56x = 27,656,915,070.72
  5. Step 5: Solve for x
    x = 27,656,915,070.72/190,231.56
  6. Step 6: Final answer
    x = 145,385.52

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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.