Home / 154,317.36-231,417.30-54,458.94

Finding the Fourth Proportional to 154,317.36, 231,417.30 and 54,458.94

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Solution

The fourth proportional to 154,317.36, 231,417.30 and 54,458.94 is: 81,667.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,317.36 : 231,417.30 = 54,458.94 : x
  2. Step 2: Convert to fraction form
    154,317.36/231,417.30 = 54,458.94/x
  3. Step 3: Cross multiply
    154,317.36x = 231,417.30 × 54,458.94
  4. Step 4: Simplify right side
    154,317.36x = 12,602,740,855.66
  5. Step 5: Solve for x
    x = 12,602,740,855.66/154,317.36
  6. Step 6: Final answer
    x = 81,667.68

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1.5x scale

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.