Home / 189,458.03-284,184.59-54,525.66

Finding the Fourth Proportional to 189,458.03, 284,184.59 and 54,525.66

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Solution

The fourth proportional to 189,458.03, 284,184.59 and 54,525.66 is: 81,787.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,458.03 : 284,184.59 = 54,525.66 : x
  2. Step 2: Convert to fraction form
    189,458.03/284,184.59 = 54,525.66/x
  3. Step 3: Cross multiply
    189,458.03x = 284,184.59 × 54,525.66
  4. Step 4: Simplify right side
    189,458.03x = 15,495,352,058.95
  5. Step 5: Solve for x
    x = 15,495,352,058.95/189,458.03
  6. Step 6: Final answer
    x = 81,787.78

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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.