Home / 190,727.82-286,280.04-143,177.58

Finding the Fourth Proportional to 190,727.82, 286,280.04 and 143,177.58

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Solution

The fourth proportional to 190,727.82, 286,280.04 and 143,177.58 is: 214,907.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,727.82 : 286,280.04 = 143,177.58 : x
  2. Step 2: Convert to fraction form
    190,727.82/286,280.04 = 143,177.58/x
  3. Step 3: Cross multiply
    190,727.82x = 286,280.04 × 143,177.58
  4. Step 4: Simplify right side
    190,727.82x = 40,988,883,329.50
  5. Step 5: Solve for x
    x = 40,988,883,329.50/190,727.82
  6. Step 6: Final answer
    x = 214,907.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.