Home / 117,303.30-161,878.77-63,588.15

Finding the Fourth Proportional to 117,303.30, 161,878.77 and 63,588.15

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Solution

The fourth proportional to 117,303.30, 161,878.77 and 63,588.15 is: 87,751.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,303.30 : 161,878.77 = 63,588.15 : x
  2. Step 2: Convert to fraction form
    117,303.30/161,878.77 = 63,588.15/x
  3. Step 3: Cross multiply
    117,303.30x = 161,878.77 × 63,588.15
  4. Step 4: Simplify right side
    117,303.30x = 10,293,571,508.58
  5. Step 5: Solve for x
    x = 10,293,571,508.58/117,303.30
  6. Step 6: Final answer
    x = 87,751.76

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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.