Home / 190,210.98-262,487.96-105,326.22

Finding the Fourth Proportional to 190,210.98, 262,487.96 and 105,326.22

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Solution

The fourth proportional to 190,210.98, 262,487.96 and 105,326.22 is: 145,348.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,210.98 : 262,487.96 = 105,326.22 : x
  2. Step 2: Convert to fraction form
    190,210.98/262,487.96 = 105,326.22/x
  3. Step 3: Cross multiply
    190,210.98x = 262,487.96 × 105,326.22
  4. Step 4: Simplify right side
    190,210.98x = 27,646,864,622.31
  5. Step 5: Solve for x
    x = 27,646,864,622.31/190,210.98
  6. Step 6: Final answer
    x = 145,348.42

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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.