Home / 141,925.37-195,855.87-78,263.16

Finding the Fourth Proportional to 141,925.37, 195,855.87 and 78,263.16

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Solution

The fourth proportional to 141,925.37, 195,855.87 and 78,263.16 is: 108,002.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,925.37 : 195,855.87 = 78,263.16 : x
  2. Step 2: Convert to fraction form
    141,925.37/195,855.87 = 78,263.16/x
  3. Step 3: Cross multiply
    141,925.37x = 195,855.87 × 78,263.16
  4. Step 4: Simplify right side
    141,925.37x = 15,328,299,951.47
  5. Step 5: Solve for x
    x = 15,328,299,951.47/141,925.37
  6. Step 6: Final answer
    x = 108,002.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.