Home / 190,334.87-285,502.52-57,215.12

Finding the Fourth Proportional to 190,334.87, 285,502.52 and 57,215.12

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Solution

The fourth proportional to 190,334.87, 285,502.52 and 57,215.12 is: 85,822.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,334.87 : 285,502.52 = 57,215.12 : x
  2. Step 2: Convert to fraction form
    190,334.87/285,502.52 = 57,215.12/x
  3. Step 3: Cross multiply
    190,334.87x = 285,502.52 × 57,215.12
  4. Step 4: Simplify right side
    190,334.87x = 16,335,059,585.39
  5. Step 5: Solve for x
    x = 16,335,059,585.39/190,334.87
  6. Step 6: Final answer
    x = 85,822.74

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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.