Home / 117,175.19-161,701.85-63,460.31

Finding the Fourth Proportional to 117,175.19, 161,701.85 and 63,460.31

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Solution

The fourth proportional to 117,175.19, 161,701.85 and 63,460.31 is: 87,575.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,175.19 : 161,701.85 = 63,460.31 : x
  2. Step 2: Convert to fraction form
    117,175.19/161,701.85 = 63,460.31/x
  3. Step 3: Cross multiply
    117,175.19x = 161,701.85 × 63,460.31
  4. Step 4: Simplify right side
    117,175.19x = 10,261,648,878.72
  5. Step 5: Solve for x
    x = 10,261,648,878.72/117,175.19
  6. Step 6: Final answer
    x = 87,575.27

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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.