Home / 194,127.23-290,945.49-87,397.53

Finding the Fourth Proportional to 194,127.23, 290,945.49 and 87,397.53

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Solution

The fourth proportional to 194,127.23, 290,945.49 and 87,397.53 is: 130,985.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,127.23 : 290,945.49 = 87,397.53 : x
  2. Step 2: Convert to fraction form
    194,127.23/290,945.49 = 87,397.53/x
  3. Step 3: Cross multiply
    194,127.23x = 290,945.49 × 87,397.53
  4. Step 4: Simplify right side
    194,127.23x = 25,427,917,190.64
  5. Step 5: Solve for x
    x = 25,427,917,190.64/194,127.23
  6. Step 6: Final answer
    x = 130,985.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.