Home / 190,367.34-285,488.73-89,134.06

Finding the Fourth Proportional to 190,367.34, 285,488.73 and 89,134.06

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Solution

The fourth proportional to 190,367.34, 285,488.73 and 89,134.06 is: 133,671.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,367.34 : 285,488.73 = 89,134.06 : x
  2. Step 2: Convert to fraction form
    190,367.34/285,488.73 = 89,134.06/x
  3. Step 3: Cross multiply
    190,367.34x = 285,488.73 × 89,134.06
  4. Step 4: Simplify right side
    190,367.34x = 25,446,769,943.88
  5. Step 5: Solve for x
    x = 25,446,769,943.88/190,367.34
  6. Step 6: Final answer
    x = 133,671.93

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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.