Home / 189,895.48-261,996.54-126,244.04

Finding the Fourth Proportional to 189,895.48, 261,996.54 and 126,244.04

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Solution

The fourth proportional to 189,895.48, 261,996.54 and 126,244.04 is: 174,177.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,895.48 : 261,996.54 = 126,244.04 : x
  2. Step 2: Convert to fraction form
    189,895.48/261,996.54 = 126,244.04/x
  3. Step 3: Cross multiply
    189,895.48x = 261,996.54 × 126,244.04
  4. Step 4: Simplify right side
    189,895.48x = 33,075,501,675.62
  5. Step 5: Solve for x
    x = 33,075,501,675.62/189,895.48
  6. Step 6: Final answer
    x = 174,177.40

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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.