Home / 189,538.89-282,857.70-169,321.35

Finding the Fourth Proportional to 189,538.89, 282,857.70 and 169,321.35

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Solution

The fourth proportional to 189,538.89, 282,857.70 and 169,321.35 is: 252,686.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,538.89 : 282,857.70 = 169,321.35 : x
  2. Step 2: Convert to fraction form
    189,538.89/282,857.70 = 169,321.35/x
  3. Step 3: Cross multiply
    189,538.89x = 282,857.70 × 169,321.35
  4. Step 4: Simplify right side
    189,538.89x = 47,893,847,621.90
  5. Step 5: Solve for x
    x = 47,893,847,621.90/189,538.89
  6. Step 6: Final answer
    x = 252,686.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.