Home / 193,384.71-266,865.75-107,343.45

Finding the Fourth Proportional to 193,384.71, 266,865.75 and 107,343.45

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Solution

The fourth proportional to 193,384.71, 266,865.75 and 107,343.45 is: 148,131.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,384.71 : 266,865.75 = 107,343.45 : x
  2. Step 2: Convert to fraction form
    193,384.71/266,865.75 = 107,343.45/x
  3. Step 3: Cross multiply
    193,384.71x = 266,865.75 × 107,343.45
  4. Step 4: Simplify right side
    193,384.71x = 28,646,290,291.84
  5. Step 5: Solve for x
    x = 28,646,290,291.84/193,384.71
  6. Step 6: Final answer
    x = 148,131.10

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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.