Home / 117,126.66-161,633.67-63,410.28

Finding the Fourth Proportional to 117,126.66, 161,633.67 and 63,410.28

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Solution

The fourth proportional to 117,126.66, 161,633.67 and 63,410.28 is: 87,505.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,126.66 : 161,633.67 = 63,410.28 : x
  2. Step 2: Convert to fraction form
    117,126.66/161,633.67 = 63,410.28/x
  3. Step 3: Cross multiply
    117,126.66x = 161,633.67 × 63,410.28
  4. Step 4: Simplify right side
    117,126.66x = 10,249,236,272.13
  5. Step 5: Solve for x
    x = 10,249,236,272.13/117,126.66
  6. Step 6: Final answer
    x = 87,505.58

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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.