Home / 384,090.06-576,145.62-103,606.50

Finding the Fourth Proportional to 384,090.06, 576,145.62 and 103,606.50

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Solution

The fourth proportional to 384,090.06, 576,145.62 and 103,606.50 is: 155,412.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,090.06 : 576,145.62 = 103,606.50 : x
  2. Step 2: Convert to fraction form
    384,090.06/576,145.62 = 103,606.50/x
  3. Step 3: Cross multiply
    384,090.06x = 576,145.62 × 103,606.50
  4. Step 4: Simplify right side
    384,090.06x = 59,692,431,178.53
  5. Step 5: Solve for x
    x = 59,692,431,178.53/384,090.06
  6. Step 6: Final answer
    x = 155,412.59

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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.