Home / 190,683.75-262,210.46-165,489.51

Finding the Fourth Proportional to 190,683.75, 262,210.46 and 165,489.51

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Solution

The fourth proportional to 190,683.75, 262,210.46 and 165,489.51 is: 227,565.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,683.75 : 262,210.46 = 165,489.51 : x
  2. Step 2: Convert to fraction form
    190,683.75/262,210.46 = 165,489.51/x
  3. Step 3: Cross multiply
    190,683.75x = 262,210.46 × 165,489.51
  4. Step 4: Simplify right side
    190,683.75x = 43,393,079,714.83
  5. Step 5: Solve for x
    x = 43,393,079,714.83/190,683.75
  6. Step 6: Final answer
    x = 227,565.69

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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.