Home / 189,922.47-262,173.72-118,337.87

Finding the Fourth Proportional to 189,922.47, 262,173.72 and 118,337.87

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Solution

The fourth proportional to 189,922.47, 262,173.72 and 118,337.87 is: 163,356.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,922.47 : 262,173.72 = 118,337.87 : x
  2. Step 2: Convert to fraction form
    189,922.47/262,173.72 = 118,337.87/x
  3. Step 3: Cross multiply
    189,922.47x = 262,173.72 × 118,337.87
  4. Step 4: Simplify right side
    189,922.47x = 31,025,077,692.22
  5. Step 5: Solve for x
    x = 31,025,077,692.22/189,922.47
  6. Step 6: Final answer
    x = 163,356.54

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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.