Home / 190,209.98-262,486.58-105,325.22

Finding the Fourth Proportional to 190,209.98, 262,486.58 and 105,325.22

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Solution

The fourth proportional to 190,209.98, 262,486.58 and 105,325.22 is: 145,347.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,209.98 : 262,486.58 = 105,325.22 : x
  2. Step 2: Convert to fraction form
    190,209.98/262,486.58 = 105,325.22/x
  3. Step 3: Cross multiply
    190,209.98x = 262,486.58 × 105,325.22
  4. Step 4: Simplify right side
    190,209.98x = 27,646,456,785.55
  5. Step 5: Solve for x
    x = 27,646,456,785.55/190,209.98
  6. Step 6: Final answer
    x = 145,347.04

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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.