Home / 189,542.67-261,570.56-104,666.19

Finding the Fourth Proportional to 189,542.67, 261,570.56 and 104,666.19

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Solution

The fourth proportional to 189,542.67, 261,570.56 and 104,666.19 is: 144,440.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,542.67 : 261,570.56 = 104,666.19 : x
  2. Step 2: Convert to fraction form
    189,542.67/261,570.56 = 104,666.19/x
  3. Step 3: Cross multiply
    189,542.67x = 261,570.56 × 104,666.19
  4. Step 4: Simplify right side
    189,542.67x = 27,377,593,931.37
  5. Step 5: Solve for x
    x = 27,377,593,931.37/189,542.67
  6. Step 6: Final answer
    x = 144,440.27

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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.