Home / 190,909.70-286,368.19-57,789.44

Finding the Fourth Proportional to 190,909.70, 286,368.19 and 57,789.44

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Solution

The fourth proportional to 190,909.70, 286,368.19 and 57,789.44 is: 86,685.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,909.70 : 286,368.19 = 57,789.44 : x
  2. Step 2: Convert to fraction form
    190,909.70/286,368.19 = 57,789.44/x
  3. Step 3: Cross multiply
    190,909.70x = 286,368.19 × 57,789.44
  4. Step 4: Simplify right side
    190,909.70x = 16,549,055,757.60
  5. Step 5: Solve for x
    x = 16,549,055,757.60/190,909.70
  6. Step 6: Final answer
    x = 86,685.26

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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.