Home / 127,325.23-190,994.32-47,345.47

Finding the Fourth Proportional to 127,325.23, 190,994.32 and 47,345.47

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Solution

The fourth proportional to 127,325.23, 190,994.32 and 47,345.47 is: 71,020.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,325.23 : 190,994.32 = 47,345.47 : x
  2. Step 2: Convert to fraction form
    127,325.23/190,994.32 = 47,345.47/x
  3. Step 3: Cross multiply
    127,325.23x = 190,994.32 × 47,345.47
  4. Step 4: Simplify right side
    127,325.23x = 9,042,714,774.40
  5. Step 5: Solve for x
    x = 9,042,714,774.40/127,325.23
  6. Step 6: Final answer
    x = 71,020.61

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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.