Home / 189,554.57-284,326.35-77,207.00

Finding the Fourth Proportional to 189,554.57, 284,326.35 and 77,207.00

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Solution

The fourth proportional to 189,554.57, 284,326.35 and 77,207.00 is: 115,808.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,554.57 : 284,326.35 = 77,207.00 : x
  2. Step 2: Convert to fraction form
    189,554.57/284,326.35 = 77,207.00/x
  3. Step 3: Cross multiply
    189,554.57x = 284,326.35 × 77,207.00
  4. Step 4: Simplify right side
    189,554.57x = 21,951,983,082.82
  5. Step 5: Solve for x
    x = 21,951,983,082.82/189,554.57
  6. Step 6: Final answer
    x = 115,808.25

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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.