Home / 190,565.19-262,970.96-105,680.43

Finding the Fourth Proportional to 190,565.19, 262,970.96 and 105,680.43

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Solution

The fourth proportional to 190,565.19, 262,970.96 and 105,680.43 is: 145,834.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,565.19 : 262,970.96 = 105,680.43 : x
  2. Step 2: Convert to fraction form
    190,565.19/262,970.96 = 105,680.43/x
  3. Step 3: Cross multiply
    190,565.19x = 262,970.96 × 105,680.43
  4. Step 4: Simplify right side
    190,565.19x = 27,790,883,601.91
  5. Step 5: Solve for x
    x = 27,790,883,601.91/190,565.19
  6. Step 6: Final answer
    x = 145,834.00

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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.