Home / 117,192.60-161,723.70-63,477.36

Finding the Fourth Proportional to 117,192.60, 161,723.70 and 63,477.36

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Solution

The fourth proportional to 117,192.60, 161,723.70 and 63,477.36 is: 87,597.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,192.60 : 161,723.70 = 63,477.36 : x
  2. Step 2: Convert to fraction form
    117,192.60/161,723.70 = 63,477.36/x
  3. Step 3: Cross multiply
    117,192.60x = 161,723.70 × 63,477.36
  4. Step 4: Simplify right side
    117,192.60x = 10,265,793,525.43
  5. Step 5: Solve for x
    x = 10,265,793,525.43/117,192.60
  6. Step 6: Final answer
    x = 87,597.63

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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.