Home / 190,346.09-262,681.72-104,311.33

Finding the Fourth Proportional to 190,346.09, 262,681.72 and 104,311.33

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Solution

The fourth proportional to 190,346.09, 262,681.72 and 104,311.33 is: 143,951.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,346.09 : 262,681.72 = 104,311.33 : x
  2. Step 2: Convert to fraction form
    190,346.09/262,681.72 = 104,311.33/x
  3. Step 3: Cross multiply
    190,346.09x = 262,681.72 × 104,311.33
  4. Step 4: Simplify right side
    190,346.09x = 27,400,679,579.89
  5. Step 5: Solve for x
    x = 27,400,679,579.89/190,346.09
  6. Step 6: Final answer
    x = 143,951.89

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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.