Home / 189,702.52-284,317.04-122,054.56

Finding the Fourth Proportional to 189,702.52, 284,317.04 and 122,054.56

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Solution

The fourth proportional to 189,702.52, 284,317.04 and 122,054.56 is: 182,929.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,702.52 : 284,317.04 = 122,054.56 : x
  2. Step 2: Convert to fraction form
    189,702.52/284,317.04 = 122,054.56/x
  3. Step 3: Cross multiply
    189,702.52x = 284,317.04 × 122,054.56
  4. Step 4: Simplify right side
    189,702.52x = 34,702,191,217.70
  5. Step 5: Solve for x
    x = 34,702,191,217.70/189,702.52
  6. Step 6: Final answer
    x = 182,929.52

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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.