Home / 127,518.22-191,288.04-38,772.49

Finding the Fourth Proportional to 127,518.22, 191,288.04 and 38,772.49

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Solution

The fourth proportional to 127,518.22, 191,288.04 and 38,772.49 is: 58,162.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,518.22 : 191,288.04 = 38,772.49 : x
  2. Step 2: Convert to fraction form
    127,518.22/191,288.04 = 38,772.49/x
  3. Step 3: Cross multiply
    127,518.22x = 191,288.04 × 38,772.49
  4. Step 4: Simplify right side
    127,518.22x = 7,416,714,070.40
  5. Step 5: Solve for x
    x = 7,416,714,070.40/127,518.22
  6. Step 6: Final answer
    x = 58,162.00

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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.