Home / 190,950.20-286,425.30-66,291.20

Finding the Fourth Proportional to 190,950.20, 286,425.30 and 66,291.20

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Solution

The fourth proportional to 190,950.20, 286,425.30 and 66,291.20 is: 99,436.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,950.20 : 286,425.30 = 66,291.20 : x
  2. Step 2: Convert to fraction form
    190,950.20/286,425.30 = 66,291.20/x
  3. Step 3: Cross multiply
    190,950.20x = 286,425.30 × 66,291.20
  4. Step 4: Simplify right side
    190,950.20x = 18,987,475,415.23
  5. Step 5: Solve for x
    x = 18,987,475,415.23/190,950.20
  6. Step 6: Final answer
    x = 99,436.80

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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.