Home / 368,328.08-552,411-131,687.12

Finding the Fourth Proportional to 368,328.08, 552,411 and 131,687.12

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Solution

The fourth proportional to 368,328.08, 552,411 and 131,687.12 is: 197,501.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,328.08 : 552,411 = 131,687.12 : x
  2. Step 2: Convert to fraction form
    368,328.08/552,411 = 131,687.12/x
  3. Step 3: Cross multiply
    368,328.08x = 552,411 × 131,687.12
  4. Step 4: Simplify right side
    368,328.08x = 72,745,413,646.32
  5. Step 5: Solve for x
    x = 72,745,413,646.32/368,328.08
  6. Step 6: Final answer
    x = 197,501.68

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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.