Home / 189,554.02-284,331.96-77,235.36

Finding the Fourth Proportional to 189,554.02, 284,331.96 and 77,235.36

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Solution

The fourth proportional to 189,554.02, 284,331.96 and 77,235.36 is: 115,853.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,554.02 : 284,331.96 = 77,235.36 : x
  2. Step 2: Convert to fraction form
    189,554.02/284,331.96 = 77,235.36/x
  3. Step 3: Cross multiply
    189,554.02x = 284,331.96 × 77,235.36
  4. Step 4: Simplify right side
    189,554.02x = 21,960,481,290.11
  5. Step 5: Solve for x
    x = 21,960,481,290.11/189,554.02
  6. Step 6: Final answer
    x = 115,853.42

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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.