Home / 236,188.06-354,205.05-78,374.14

Finding the Fourth Proportional to 236,188.06, 354,205.05 and 78,374.14

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Solution

The fourth proportional to 236,188.06, 354,205.05 and 78,374.14 is: 117,535.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,188.06 : 354,205.05 = 78,374.14 : x
  2. Step 2: Convert to fraction form
    236,188.06/354,205.05 = 78,374.14/x
  3. Step 3: Cross multiply
    236,188.06x = 354,205.05 × 78,374.14
  4. Step 4: Simplify right side
    236,188.06x = 27,760,516,177.41
  5. Step 5: Solve for x
    x = 27,760,516,177.41/236,188.06
  6. Step 6: Final answer
    x = 117,535.65

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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.