Home / 319,587.70-479,298.58-94,895.32

Finding the Fourth Proportional to 319,587.70, 479,298.58 and 94,895.32

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Solution

The fourth proportional to 319,587.70, 479,298.58 and 94,895.32 is: 142,318.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,587.70 : 479,298.58 = 94,895.32 : x
  2. Step 2: Convert to fraction form
    319,587.70/479,298.58 = 94,895.32/x
  3. Step 3: Cross multiply
    319,587.70x = 479,298.58 × 94,895.32
  4. Step 4: Simplify right side
    319,587.70x = 45,483,192,124.65
  5. Step 5: Solve for x
    x = 45,483,192,124.65/319,587.70
  6. Step 6: Final answer
    x = 142,318.34

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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.