Home / 193,384.99-266,905.38-121,787.47

Finding the Fourth Proportional to 193,384.99, 266,905.38 and 121,787.47

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Solution

The fourth proportional to 193,384.99, 266,905.38 and 121,787.47 is: 168,088.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,384.99 : 266,905.38 = 121,787.47 : x
  2. Step 2: Convert to fraction form
    193,384.99/266,905.38 = 121,787.47/x
  3. Step 3: Cross multiply
    193,384.99x = 266,905.38 × 121,787.47
  4. Step 4: Simplify right side
    193,384.99x = 32,505,730,959.59
  5. Step 5: Solve for x
    x = 32,505,730,959.59/193,384.99
  6. Step 6: Final answer
    x = 168,088.18

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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.