Home / 163,747.80-245,621.70-52,939.80

Finding the Fourth Proportional to 163,747.80, 245,621.70 and 52,939.80

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Solution

The fourth proportional to 163,747.80, 245,621.70 and 52,939.80 is: 79,409.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,747.80 : 245,621.70 = 52,939.80 : x
  2. Step 2: Convert to fraction form
    163,747.80/245,621.70 = 52,939.80/x
  3. Step 3: Cross multiply
    163,747.80x = 245,621.70 × 52,939.80
  4. Step 4: Simplify right side
    163,747.80x = 13,003,163,673.66
  5. Step 5: Solve for x
    x = 13,003,163,673.66/163,747.80
  6. Step 6: Final answer
    x = 79,409.70

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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.