Home / 312,848.82-469,341.54-113,148.36

Finding the Fourth Proportional to 312,848.82, 469,341.54 and 113,148.36

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Solution

The fourth proportional to 312,848.82, 469,341.54 and 113,148.36 is: 169,747.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,848.82 : 469,341.54 = 113,148.36 : x
  2. Step 2: Convert to fraction form
    312,848.82/469,341.54 = 113,148.36/x
  3. Step 3: Cross multiply
    312,848.82x = 469,341.54 × 113,148.36
  4. Step 4: Simplify right side
    312,848.82x = 53,105,225,530.87
  5. Step 5: Solve for x
    x = 53,105,225,530.87/312,848.82
  6. Step 6: Final answer
    x = 169,747.25

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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.