Home / 189,156.97-261,038.43-104,277.07

Finding the Fourth Proportional to 189,156.97, 261,038.43 and 104,277.07

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Solution

The fourth proportional to 189,156.97, 261,038.43 and 104,277.07 is: 143,903.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,156.97 : 261,038.43 = 104,277.07 : x
  2. Step 2: Convert to fraction form
    189,156.97/261,038.43 = 104,277.07/x
  3. Step 3: Cross multiply
    189,156.97x = 261,038.43 × 104,277.07
  4. Step 4: Simplify right side
    189,156.97x = 27,220,322,637.80
  5. Step 5: Solve for x
    x = 27,220,322,637.80/189,156.97
  6. Step 6: Final answer
    x = 143,903.36

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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.