Home / 190,670.91-263,125.13-104,631.32

Finding the Fourth Proportional to 190,670.91, 263,125.13 and 104,631.32

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Solution

The fourth proportional to 190,670.91, 263,125.13 and 104,631.32 is: 144,390.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,670.91 : 263,125.13 = 104,631.32 : x
  2. Step 2: Convert to fraction form
    190,670.91/263,125.13 = 104,631.32/x
  3. Step 3: Cross multiply
    190,670.91x = 263,125.13 × 104,631.32
  4. Step 4: Simplify right side
    190,670.91x = 27,531,129,954.52
  5. Step 5: Solve for x
    x = 27,531,129,954.52/190,670.91
  6. Step 6: Final answer
    x = 144,390.82

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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.