Home / 117,270.35-161,833.09-63,555.35

Finding the Fourth Proportional to 117,270.35, 161,833.09 and 63,555.35

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Solution

The fourth proportional to 117,270.35, 161,833.09 and 63,555.35 is: 87,706.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,270.35 : 161,833.09 = 63,555.35 : x
  2. Step 2: Convert to fraction form
    117,270.35/161,833.09 = 63,555.35/x
  3. Step 3: Cross multiply
    117,270.35x = 161,833.09 × 63,555.35
  4. Step 4: Simplify right side
    117,270.35x = 10,285,358,676.53
  5. Step 5: Solve for x
    x = 10,285,358,676.53/117,270.35
  6. Step 6: Final answer
    x = 87,706.39

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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.