Home / 190,152.82-262,409.99-102,937.69

Finding the Fourth Proportional to 190,152.82, 262,409.99 and 102,937.69

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Solution

The fourth proportional to 190,152.82, 262,409.99 and 102,937.69 is: 142,053.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,152.82 : 262,409.99 = 102,937.69 : x
  2. Step 2: Convert to fraction form
    190,152.82/262,409.99 = 102,937.69/x
  3. Step 3: Cross multiply
    190,152.82x = 262,409.99 × 102,937.69
  4. Step 4: Simplify right side
    190,152.82x = 27,011,878,203.52
  5. Step 5: Solve for x
    x = 27,011,878,203.52/190,152.82
  6. Step 6: Final answer
    x = 142,053.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.