Home / 190,398.74-262,778.31-109,810.62

Finding the Fourth Proportional to 190,398.74, 262,778.31 and 109,810.62

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Solution

The fourth proportional to 190,398.74, 262,778.31 and 109,810.62 is: 151,554.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,398.74 : 262,778.31 = 109,810.62 : x
  2. Step 2: Convert to fraction form
    190,398.74/262,778.31 = 109,810.62/x
  3. Step 3: Cross multiply
    190,398.74x = 262,778.31 × 109,810.62
  4. Step 4: Simplify right side
    190,398.74x = 28,855,849,143.65
  5. Step 5: Solve for x
    x = 28,855,849,143.65/190,398.74
  6. Step 6: Final answer
    x = 151,554.84

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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.