Home / 319,364.12-440,702.32-183,302.36

Finding the Fourth Proportional to 319,364.12, 440,702.32 and 183,302.36

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Solution

The fourth proportional to 319,364.12, 440,702.32 and 183,302.36 is: 252,945.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,364.12 : 440,702.32 = 183,302.36 : x
  2. Step 2: Convert to fraction form
    319,364.12/440,702.32 = 183,302.36/x
  3. Step 3: Cross multiply
    319,364.12x = 440,702.32 × 183,302.36
  4. Step 4: Simplify right side
    319,364.12x = 80,781,775,313.48
  5. Step 5: Solve for x
    x = 80,781,775,313.48/319,364.12
  6. Step 6: Final answer
    x = 252,945.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.