Home / 189,571.48-261,606.54-104,686.84

Finding the Fourth Proportional to 189,571.48, 261,606.54 and 104,686.84

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Solution

The fourth proportional to 189,571.48, 261,606.54 and 104,686.84 is: 144,466.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,571.48 : 261,606.54 = 104,686.84 : x
  2. Step 2: Convert to fraction form
    189,571.48/261,606.54 = 104,686.84/x
  3. Step 3: Cross multiply
    189,571.48x = 261,606.54 × 104,686.84
  4. Step 4: Simplify right side
    189,571.48x = 27,386,761,995.93
  5. Step 5: Solve for x
    x = 27,386,761,995.93/189,571.48
  6. Step 6: Final answer
    x = 144,466.68

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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.