Home / 190,041.48-285,064.38-49,814.28

Finding the Fourth Proportional to 190,041.48, 285,064.38 and 49,814.28

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Solution

The fourth proportional to 190,041.48, 285,064.38 and 49,814.28 is: 74,721.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,041.48 : 285,064.38 = 49,814.28 : x
  2. Step 2: Convert to fraction form
    190,041.48/285,064.38 = 49,814.28/x
  3. Step 3: Cross multiply
    190,041.48x = 285,064.38 × 49,814.28
  4. Step 4: Simplify right side
    190,041.48x = 14,200,276,843.35
  5. Step 5: Solve for x
    x = 14,200,276,843.35/190,041.48
  6. Step 6: Final answer
    x = 74,721.99

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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.