Home / 190,234.98-262,525.11-105,350.22

Finding the Fourth Proportional to 190,234.98, 262,525.11 and 105,350.22

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Solution

The fourth proportional to 190,234.98, 262,525.11 and 105,350.22 is: 145,383.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,234.98 : 262,525.11 = 105,350.22 : x
  2. Step 2: Convert to fraction form
    190,234.98/262,525.11 = 105,350.22/x
  3. Step 3: Cross multiply
    190,234.98x = 262,525.11 × 105,350.22
  4. Step 4: Simplify right side
    190,234.98x = 27,657,078,094.02
  5. Step 5: Solve for x
    x = 27,657,078,094.02/190,234.98
  6. Step 6: Final answer
    x = 145,383.77

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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.