Home / 318,822.89-439,970.27-175,596.26

Finding the Fourth Proportional to 318,822.89, 439,970.27 and 175,596.26

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Solution

The fourth proportional to 318,822.89, 439,970.27 and 175,596.26 is: 242,319.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,822.89 : 439,970.27 = 175,596.26 : x
  2. Step 2: Convert to fraction form
    318,822.89/439,970.27 = 175,596.26/x
  3. Step 3: Cross multiply
    318,822.89x = 439,970.27 × 175,596.26
  4. Step 4: Simplify right side
    318,822.89x = 77,257,130,845.36
  5. Step 5: Solve for x
    x = 77,257,130,845.36/318,822.89
  6. Step 6: Final answer
    x = 242,319.90

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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.