Home / 190,155.06-285,215.58-57,065.04

Finding the Fourth Proportional to 190,155.06, 285,215.58 and 57,065.04

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Solution

The fourth proportional to 190,155.06, 285,215.58 and 57,065.04 is: 85,592.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,155.06 : 285,215.58 = 57,065.04 : x
  2. Step 2: Convert to fraction form
    190,155.06/285,215.58 = 57,065.04/x
  3. Step 3: Cross multiply
    190,155.06x = 285,215.58 × 57,065.04
  4. Step 4: Simplify right side
    190,155.06x = 16,275,838,481.32
  5. Step 5: Solve for x
    x = 16,275,838,481.32/190,155.06
  6. Step 6: Final answer
    x = 85,592.46

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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.