Home / 336,848.88-505,125.48-126,339.20

Finding the Fourth Proportional to 336,848.88, 505,125.48 and 126,339.20

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Solution

The fourth proportional to 336,848.88, 505,125.48 and 126,339.20 is: 189,453.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,848.88 : 505,125.48 = 126,339.20 : x
  2. Step 2: Convert to fraction form
    336,848.88/505,125.48 = 126,339.20/x
  3. Step 3: Cross multiply
    336,848.88x = 505,125.48 × 126,339.20
  4. Step 4: Simplify right side
    336,848.88x = 63,817,149,042.82
  5. Step 5: Solve for x
    x = 63,817,149,042.82/336,848.88
  6. Step 6: Final answer
    x = 189,453.35

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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.