Home / 189,681.48-261,770.94-104,796.72

Finding the Fourth Proportional to 189,681.48, 261,770.94 and 104,796.72

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Solution

The fourth proportional to 189,681.48, 261,770.94 and 104,796.72 is: 144,625.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,681.48 : 261,770.94 = 104,796.72 : x
  2. Step 2: Convert to fraction form
    189,681.48/261,770.94 = 104,796.72/x
  3. Step 3: Cross multiply
    189,681.48x = 261,770.94 × 104,796.72
  4. Step 4: Simplify right side
    189,681.48x = 27,432,735,903.32
  5. Step 5: Solve for x
    x = 27,432,735,903.32/189,681.48
  6. Step 6: Final answer
    x = 144,625.27

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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.