Home / 346,858.23-520,284.65-178,425.75

Finding the Fourth Proportional to 346,858.23, 520,284.65 and 178,425.75

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Solution

The fourth proportional to 346,858.23, 520,284.65 and 178,425.75 is: 267,637.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,858.23 : 520,284.65 = 178,425.75 : x
  2. Step 2: Convert to fraction form
    346,858.23/520,284.65 = 178,425.75/x
  3. Step 3: Cross multiply
    346,858.23x = 520,284.65 × 178,425.75
  4. Step 4: Simplify right side
    346,858.23x = 92,832,177,997.61
  5. Step 5: Solve for x
    x = 92,832,177,997.61/346,858.23
  6. Step 6: Final answer
    x = 267,637.24

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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.