Home / 127,038.16-190,671.45-67,924.36

Finding the Fourth Proportional to 127,038.16, 190,671.45 and 67,924.36

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Solution

The fourth proportional to 127,038.16, 190,671.45 and 67,924.36 is: 101,947.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,038.16 : 190,671.45 = 67,924.36 : x
  2. Step 2: Convert to fraction form
    127,038.16/190,671.45 = 67,924.36/x
  3. Step 3: Cross multiply
    127,038.16x = 190,671.45 × 67,924.36
  4. Step 4: Simplify right side
    127,038.16x = 12,951,236,211.52
  5. Step 5: Solve for x
    x = 12,951,236,211.52/127,038.16
  6. Step 6: Final answer
    x = 101,947.61

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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.