Home / 189,810.88-261,925.82-104,921.26

Finding the Fourth Proportional to 189,810.88, 261,925.82 and 104,921.26

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Solution

The fourth proportional to 189,810.88, 261,925.82 and 104,921.26 is: 144,784.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,810.88 : 261,925.82 = 104,921.26 : x
  2. Step 2: Convert to fraction form
    189,810.88/261,925.82 = 104,921.26/x
  3. Step 3: Cross multiply
    189,810.88x = 261,925.82 × 104,921.26
  4. Step 4: Simplify right side
    189,810.88x = 27,481,587,060.93
  5. Step 5: Solve for x
    x = 27,481,587,060.93/189,810.88
  6. Step 6: Final answer
    x = 144,784.05

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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.