Home / 232,779.36-321,158.88-135,960.96

Finding the Fourth Proportional to 232,779.36, 321,158.88 and 135,960.96

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Solution

The fourth proportional to 232,779.36, 321,158.88 and 135,960.96 is: 187,581.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,779.36 : 321,158.88 = 135,960.96 : x
  2. Step 2: Convert to fraction form
    232,779.36/321,158.88 = 135,960.96/x
  3. Step 3: Cross multiply
    232,779.36x = 321,158.88 × 135,960.96
  4. Step 4: Simplify right side
    232,779.36x = 43,665,069,637.32
  5. Step 5: Solve for x
    x = 43,665,069,637.32/232,779.36
  6. Step 6: Final answer
    x = 187,581.36

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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.