Home / 190,378.14-285,581.37-57,247.74

Finding the Fourth Proportional to 190,378.14, 285,581.37 and 57,247.74

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Solution

The fourth proportional to 190,378.14, 285,581.37 and 57,247.74 is: 85,875.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,378.14 : 285,581.37 = 57,247.74 : x
  2. Step 2: Convert to fraction form
    190,378.14/285,581.37 = 57,247.74/x
  3. Step 3: Cross multiply
    190,378.14x = 285,581.37 × 57,247.74
  4. Step 4: Simplify right side
    190,378.14x = 16,348,888,018.60
  5. Step 5: Solve for x
    x = 16,348,888,018.60/190,378.14
  6. Step 6: Final answer
    x = 85,875.87

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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.