Home / 163,829.50-245,839.79-69,053.89

Finding the Fourth Proportional to 163,829.50, 245,839.79 and 69,053.89

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Solution

The fourth proportional to 163,829.50, 245,839.79 and 69,053.89 is: 103,621.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,829.50 : 245,839.79 = 69,053.89 : x
  2. Step 2: Convert to fraction form
    163,829.50/245,839.79 = 69,053.89/x
  3. Step 3: Cross multiply
    163,829.50x = 245,839.79 × 69,053.89
  4. Step 4: Simplify right side
    163,829.50x = 16,976,193,816.28
  5. Step 5: Solve for x
    x = 16,976,193,816.28/163,829.50
  6. Step 6: Final answer
    x = 103,621.10

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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.