Home / 122,876.64-184,359.39-42,926.46

Finding the Fourth Proportional to 122,876.64, 184,359.39 and 42,926.46

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Solution

The fourth proportional to 122,876.64, 184,359.39 and 42,926.46 is: 64,405.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,876.64 : 184,359.39 = 42,926.46 : x
  2. Step 2: Convert to fraction form
    122,876.64/184,359.39 = 42,926.46/x
  3. Step 3: Cross multiply
    122,876.64x = 184,359.39 × 42,926.46
  4. Step 4: Simplify right side
    122,876.64x = 7,913,895,980.46
  5. Step 5: Solve for x
    x = 7,913,895,980.46/122,876.64
  6. Step 6: Final answer
    x = 64,405.21

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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.