Home / 190,203.39-262,554.82-109,699.92

Finding the Fourth Proportional to 190,203.39, 262,554.82 and 109,699.92

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Solution

The fourth proportional to 190,203.39, 262,554.82 and 109,699.92 is: 151,428.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,203.39 : 262,554.82 = 109,699.92 : x
  2. Step 2: Convert to fraction form
    190,203.39/262,554.82 = 109,699.92/x
  3. Step 3: Cross multiply
    190,203.39x = 262,554.82 × 109,699.92
  4. Step 4: Simplify right side
    190,203.39x = 28,802,242,475.36
  5. Step 5: Solve for x
    x = 28,802,242,475.36/190,203.39
  6. Step 6: Final answer
    x = 151,428.65

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1.5x scale

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.