Home / 190,035.14-285,007.34-56,879.64

Finding the Fourth Proportional to 190,035.14, 285,007.34 and 56,879.64

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Solution

The fourth proportional to 190,035.14, 285,007.34 and 56,879.64 is: 85,305.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,035.14 : 285,007.34 = 56,879.64 : x
  2. Step 2: Convert to fraction form
    190,035.14/285,007.34 = 56,879.64/x
  3. Step 3: Cross multiply
    190,035.14x = 285,007.34 × 56,879.64
  4. Step 4: Simplify right side
    190,035.14x = 16,211,115,038.76
  5. Step 5: Solve for x
    x = 16,211,115,038.76/190,035.14
  6. Step 6: Final answer
    x = 85,305.88

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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.