Home / 199,683.94-275,095.56-139,144.74

Finding the Fourth Proportional to 199,683.94, 275,095.56 and 139,144.74

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Solution

The fourth proportional to 199,683.94, 275,095.56 and 139,144.74 is: 191,693.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,683.94 : 275,095.56 = 139,144.74 : x
  2. Step 2: Convert to fraction form
    199,683.94/275,095.56 = 139,144.74/x
  3. Step 3: Cross multiply
    199,683.94x = 275,095.56 × 139,144.74
  4. Step 4: Simplify right side
    199,683.94x = 38,278,100,171.35
  5. Step 5: Solve for x
    x = 38,278,100,171.35/199,683.94
  6. Step 6: Final answer
    x = 191,693.43

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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.