Home / 190,628.76-285,850.50-57,484.20

Finding the Fourth Proportional to 190,628.76, 285,850.50 and 57,484.20

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Solution

The fourth proportional to 190,628.76, 285,850.50 and 57,484.20 is: 86,198.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,628.76 : 285,850.50 = 57,484.20 : x
  2. Step 2: Convert to fraction form
    190,628.76/285,850.50 = 57,484.20/x
  3. Step 3: Cross multiply
    190,628.76x = 285,850.50 × 57,484.20
  4. Step 4: Simplify right side
    190,628.76x = 16,431,887,312.10
  5. Step 5: Solve for x
    x = 16,431,887,312.10/190,628.76
  6. Step 6: Final answer
    x = 86,198.36

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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.