Home / 190,749.74-286,127.33-57,631.14

Finding the Fourth Proportional to 190,749.74, 286,127.33 and 57,631.14

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Solution

The fourth proportional to 190,749.74, 286,127.33 and 57,631.14 is: 86,447.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,749.74 : 286,127.33 = 57,631.14 : x
  2. Step 2: Convert to fraction form
    190,749.74/286,127.33 = 57,631.14/x
  3. Step 3: Cross multiply
    190,749.74x = 286,127.33 × 57,631.14
  4. Step 4: Simplify right side
    190,749.74x = 16,489,843,924.90
  5. Step 5: Solve for x
    x = 16,489,843,924.90/190,749.74
  6. Step 6: Final answer
    x = 86,447.53

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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.