Home / 343,583.02-515,366.08-133,221.02

Finding the Fourth Proportional to 343,583.02, 515,366.08 and 133,221.02

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Solution

The fourth proportional to 343,583.02, 515,366.08 and 133,221.02 is: 199,828.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,583.02 : 515,366.08 = 133,221.02 : x
  2. Step 2: Convert to fraction form
    343,583.02/515,366.08 = 133,221.02/x
  3. Step 3: Cross multiply
    343,583.02x = 515,366.08 × 133,221.02
  4. Step 4: Simplify right side
    343,583.02x = 68,657,594,851.00
  5. Step 5: Solve for x
    x = 68,657,594,851.00/343,583.02
  6. Step 6: Final answer
    x = 199,828.25

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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.