Home / 131,912.33-182,038.59-71,484.48

Finding the Fourth Proportional to 131,912.33, 182,038.59 and 71,484.48

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Solution

The fourth proportional to 131,912.33, 182,038.59 and 71,484.48 is: 98,648.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,912.33 : 182,038.59 = 71,484.48 : x
  2. Step 2: Convert to fraction form
    131,912.33/182,038.59 = 71,484.48/x
  3. Step 3: Cross multiply
    131,912.33x = 182,038.59 × 71,484.48
  4. Step 4: Simplify right side
    131,912.33x = 13,012,933,946.08
  5. Step 5: Solve for x
    x = 13,012,933,946.08/131,912.33
  6. Step 6: Final answer
    x = 98,648.36

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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.