Home / 190,128.57-285,184.19-63,759.10

Finding the Fourth Proportional to 190,128.57, 285,184.19 and 63,759.10

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Solution

The fourth proportional to 190,128.57, 285,184.19 and 63,759.10 is: 95,635.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,128.57 : 285,184.19 = 63,759.10 : x
  2. Step 2: Convert to fraction form
    190,128.57/285,184.19 = 63,759.10/x
  3. Step 3: Cross multiply
    190,128.57x = 285,184.19 × 63,759.10
  4. Step 4: Simplify right side
    190,128.57x = 18,183,085,862.71
  5. Step 5: Solve for x
    x = 18,183,085,862.71/190,128.57
  6. Step 6: Final answer
    x = 95,635.74

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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.