Home / 190,235.98-262,526.49-105,351.22

Finding the Fourth Proportional to 190,235.98, 262,526.49 and 105,351.22

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Solution

The fourth proportional to 190,235.98, 262,526.49 and 105,351.22 is: 145,385.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,235.98 : 262,526.49 = 105,351.22 : x
  2. Step 2: Convert to fraction form
    190,235.98/262,526.49 = 105,351.22/x
  3. Step 3: Cross multiply
    190,235.98x = 262,526.49 × 105,351.22
  4. Step 4: Simplify right side
    190,235.98x = 27,657,486,003.82
  5. Step 5: Solve for x
    x = 27,657,486,003.82/190,235.98
  6. Step 6: Final answer
    x = 145,385.15

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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.