Home / 190,910.20-286,368.94-57,789.94

Finding the Fourth Proportional to 190,910.20, 286,368.94 and 57,789.94

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Solution

The fourth proportional to 190,910.20, 286,368.94 and 57,789.94 is: 86,686.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,910.20 : 286,368.94 = 57,789.94 : x
  2. Step 2: Convert to fraction form
    190,910.20/286,368.94 = 57,789.94/x
  3. Step 3: Cross multiply
    190,910.20x = 286,368.94 × 57,789.94
  4. Step 4: Simplify right side
    190,910.20x = 16,549,242,428.62
  5. Step 5: Solve for x
    x = 16,549,242,428.62/190,910.20
  6. Step 6: Final answer
    x = 86,686.01

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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.