Home / 157,384.49-236,135.05-73,189.85

Finding the Fourth Proportional to 157,384.49, 236,135.05 and 73,189.85

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Solution

The fourth proportional to 157,384.49, 236,135.05 and 73,189.85 is: 109,811.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,384.49 : 236,135.05 = 73,189.85 : x
  2. Step 2: Convert to fraction form
    157,384.49/236,135.05 = 73,189.85/x
  3. Step 3: Cross multiply
    157,384.49x = 236,135.05 × 73,189.85
  4. Step 4: Simplify right side
    157,384.49x = 17,282,687,525.59
  5. Step 5: Solve for x
    x = 17,282,687,525.59/157,384.49
  6. Step 6: Final answer
    x = 109,811.89

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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.