Home / 189,529.72-261,528.60-113,053

Finding the Fourth Proportional to 189,529.72, 261,528.60 and 113,053

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Solution

The fourth proportional to 189,529.72, 261,528.60 and 113,053 is: 155,999.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,529.72 : 261,528.60 = 113,053 : x
  2. Step 2: Convert to fraction form
    189,529.72/261,528.60 = 113,053/x
  3. Step 3: Cross multiply
    189,529.72x = 261,528.60 × 113,053
  4. Step 4: Simplify right side
    189,529.72x = 29,566,592,815.80
  5. Step 5: Solve for x
    x = 29,566,592,815.80/189,529.72
  6. Step 6: Final answer
    x = 155,999.77

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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.