Home / 258,466.08-356,699.52-145,296.12

Finding the Fourth Proportional to 258,466.08, 356,699.52 and 145,296.12

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Solution

The fourth proportional to 258,466.08, 356,699.52 and 145,296.12 is: 200,517.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,466.08 : 356,699.52 = 145,296.12 : x
  2. Step 2: Convert to fraction form
    258,466.08/356,699.52 = 145,296.12/x
  3. Step 3: Cross multiply
    258,466.08x = 356,699.52 × 145,296.12
  4. Step 4: Simplify right side
    258,466.08x = 51,827,056,261.86
  5. Step 5: Solve for x
    x = 51,827,056,261.86/258,466.08
  6. Step 6: Final answer
    x = 200,517.83

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1.5x scale

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.