Home / 190,890.20-286,262.40-57,726.20

Finding the Fourth Proportional to 190,890.20, 286,262.40 and 57,726.20

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Solution

The fourth proportional to 190,890.20, 286,262.40 and 57,726.20 is: 86,567.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,890.20 : 286,262.40 = 57,726.20 : x
  2. Step 2: Convert to fraction form
    190,890.20/286,262.40 = 57,726.20/x
  3. Step 3: Cross multiply
    190,890.20x = 286,262.40 × 57,726.20
  4. Step 4: Simplify right side
    190,890.20x = 16,524,840,554.88
  5. Step 5: Solve for x
    x = 16,524,840,554.88/190,890.20
  6. Step 6: Final answer
    x = 86,567.25

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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.