Home / 200,019.06-275,551.74-139,479.66

Finding the Fourth Proportional to 200,019.06, 275,551.74 and 139,479.66

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Solution

The fourth proportional to 200,019.06, 275,551.74 and 139,479.66 is: 192,151.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,019.06 : 275,551.74 = 139,479.66 : x
  2. Step 2: Convert to fraction form
    200,019.06/275,551.74 = 139,479.66/x
  3. Step 3: Cross multiply
    200,019.06x = 275,551.74 × 139,479.66
  4. Step 4: Simplify right side
    200,019.06x = 38,433,863,007.61
  5. Step 5: Solve for x
    x = 38,433,863,007.61/200,019.06
  6. Step 6: Final answer
    x = 192,151.00

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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.