Home / 190,685.92-263,152.48-105,810.88

Finding the Fourth Proportional to 190,685.92, 263,152.48 and 105,810.88

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Solution

The fourth proportional to 190,685.92, 263,152.48 and 105,810.88 is: 146,022.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,685.92 : 263,152.48 = 105,810.88 : x
  2. Step 2: Convert to fraction form
    190,685.92/263,152.48 = 105,810.88/x
  3. Step 3: Cross multiply
    190,685.92x = 263,152.48 × 105,810.88
  4. Step 4: Simplify right side
    190,685.92x = 27,844,395,482.98
  5. Step 5: Solve for x
    x = 27,844,395,482.98/190,685.92
  6. Step 6: Final answer
    x = 146,022.29

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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.