Home / 190,869.48-263,346.66-119,322.36

Finding the Fourth Proportional to 190,869.48, 263,346.66 and 119,322.36

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Solution

The fourth proportional to 190,869.48, 263,346.66 and 119,322.36 is: 164,631.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,869.48 : 263,346.66 = 119,322.36 : x
  2. Step 2: Convert to fraction form
    190,869.48/263,346.66 = 119,322.36/x
  3. Step 3: Cross multiply
    190,869.48x = 263,346.66 × 119,322.36
  4. Step 4: Simplify right side
    190,869.48x = 31,423,144,969.32
  5. Step 5: Solve for x
    x = 31,423,144,969.32/190,869.48
  6. Step 6: Final answer
    x = 164,631.58

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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.