Home / 190,435.74-262,792.26-109,889.16

Finding the Fourth Proportional to 190,435.74, 262,792.26 and 109,889.16

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Solution

The fourth proportional to 190,435.74, 262,792.26 and 109,889.16 is: 151,641.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,435.74 : 262,792.26 = 109,889.16 : x
  2. Step 2: Convert to fraction form
    190,435.74/262,792.26 = 109,889.16/x
  3. Step 3: Cross multiply
    190,435.74x = 262,792.26 × 109,889.16
  4. Step 4: Simplify right side
    190,435.74x = 28,878,020,705.90
  5. Step 5: Solve for x
    x = 28,878,020,705.90/190,435.74
  6. Step 6: Final answer
    x = 151,641.81

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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.