Home / 131,551.44-197,307.60-48,426

Finding the Fourth Proportional to 131,551.44, 197,307.60 and 48,426

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Solution

The fourth proportional to 131,551.44, 197,307.60 and 48,426 is: 72,631.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,551.44 : 197,307.60 = 48,426 : x
  2. Step 2: Convert to fraction form
    131,551.44/197,307.60 = 48,426/x
  3. Step 3: Cross multiply
    131,551.44x = 197,307.60 × 48,426
  4. Step 4: Simplify right side
    131,551.44x = 9,554,817,837.60
  5. Step 5: Solve for x
    x = 9,554,817,837.60/131,551.44
  6. Step 6: Final answer
    x = 72,631.80

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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.