Home / 189,975.09-285,288.65-168,675.94

Finding the Fourth Proportional to 189,975.09, 285,288.65 and 168,675.94

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Solution

The fourth proportional to 189,975.09, 285,288.65 and 168,675.94 is: 253,303.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,975.09 : 285,288.65 = 168,675.94 : x
  2. Step 2: Convert to fraction form
    189,975.09/285,288.65 = 168,675.94/x
  3. Step 3: Cross multiply
    189,975.09x = 285,288.65 × 168,675.94
  4. Step 4: Simplify right side
    189,975.09x = 48,121,330,366.70
  5. Step 5: Solve for x
    x = 48,121,330,366.70/189,975.09
  6. Step 6: Final answer
    x = 253,303.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.