Home / 127,538.22-191,652.57-68,416.32

Finding the Fourth Proportional to 127,538.22, 191,652.57 and 68,416.32

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Solution

The fourth proportional to 127,538.22, 191,652.57 and 68,416.32 is: 102,809.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,538.22 : 191,652.57 = 68,416.32 : x
  2. Step 2: Convert to fraction form
    127,538.22/191,652.57 = 68,416.32/x
  3. Step 3: Cross multiply
    127,538.22x = 191,652.57 × 68,416.32
  4. Step 4: Simplify right side
    127,538.22x = 13,112,163,557.94
  5. Step 5: Solve for x
    x = 13,112,163,557.94/127,538.22
  6. Step 6: Final answer
    x = 102,809.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.