Home / 102,190.44-141,025.50-56,871.48

Finding the Fourth Proportional to 102,190.44, 141,025.50 and 56,871.48

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Solution

The fourth proportional to 102,190.44, 141,025.50 and 56,871.48 is: 78,484.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,190.44 : 141,025.50 = 56,871.48 : x
  2. Step 2: Convert to fraction form
    102,190.44/141,025.50 = 56,871.48/x
  3. Step 3: Cross multiply
    102,190.44x = 141,025.50 × 56,871.48
  4. Step 4: Simplify right side
    102,190.44x = 8,020,328,902.74
  5. Step 5: Solve for x
    x = 8,020,328,902.74/102,190.44
  6. Step 6: Final answer
    x = 78,484.14

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1.5x scale

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.