Home / 190,093.28-285,140.08-56,987.52

Finding the Fourth Proportional to 190,093.28, 285,140.08 and 56,987.52

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Solution

The fourth proportional to 190,093.28, 285,140.08 and 56,987.52 is: 85,481.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,093.28 : 285,140.08 = 56,987.52 : x
  2. Step 2: Convert to fraction form
    190,093.28/285,140.08 = 56,987.52/x
  3. Step 3: Cross multiply
    190,093.28x = 285,140.08 × 56,987.52
  4. Step 4: Simplify right side
    190,093.28x = 16,249,426,011.80
  5. Step 5: Solve for x
    x = 16,249,426,011.80/190,093.28
  6. Step 6: Final answer
    x = 85,481.33

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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.