Home / 189,577.89-261,623.95-112,119.94

Finding the Fourth Proportional to 189,577.89, 261,623.95 and 112,119.94

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Solution

The fourth proportional to 189,577.89, 261,623.95 and 112,119.94 is: 154,729.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,577.89 : 261,623.95 = 112,119.94 : x
  2. Step 2: Convert to fraction form
    189,577.89/261,623.95 = 112,119.94/x
  3. Step 3: Cross multiply
    189,577.89x = 261,623.95 × 112,119.94
  4. Step 4: Simplify right side
    189,577.89x = 29,333,261,576.56
  5. Step 5: Solve for x
    x = 29,333,261,576.56/189,577.89
  6. Step 6: Final answer
    x = 154,729.34

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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.