Home / 230,679.51-318,337.98-135,186.30

Finding the Fourth Proportional to 230,679.51, 318,337.98 and 135,186.30

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Solution

The fourth proportional to 230,679.51, 318,337.98 and 135,186.30 is: 186,557.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,679.51 : 318,337.98 = 135,186.30 : x
  2. Step 2: Convert to fraction form
    230,679.51/318,337.98 = 135,186.30/x
  3. Step 3: Cross multiply
    230,679.51x = 318,337.98 × 135,186.30
  4. Step 4: Simplify right side
    230,679.51x = 43,034,933,665.67
  5. Step 5: Solve for x
    x = 43,034,933,665.67/230,679.51
  6. Step 6: Final answer
    x = 186,557.24

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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.