Home / 190,685.25-263,145.69-105,802.92

Finding the Fourth Proportional to 190,685.25, 263,145.69 and 105,802.92

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Solution

The fourth proportional to 190,685.25, 263,145.69 and 105,802.92 is: 146,008.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,685.25 : 263,145.69 = 105,802.92 : x
  2. Step 2: Convert to fraction form
    190,685.25/263,145.69 = 105,802.92/x
  3. Step 3: Cross multiply
    190,685.25x = 263,145.69 × 105,802.92
  4. Step 4: Simplify right side
    190,685.25x = 27,841,582,387.41
  5. Step 5: Solve for x
    x = 27,841,582,387.41/190,685.25
  6. Step 6: Final answer
    x = 146,008.05

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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.