Home / 189,946.94-262,207.50-118,362.38

Finding the Fourth Proportional to 189,946.94, 262,207.50 and 118,362.38

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Solution

The fourth proportional to 189,946.94, 262,207.50 and 118,362.38 is: 163,390.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,946.94 : 262,207.50 = 118,362.38 : x
  2. Step 2: Convert to fraction form
    189,946.94/262,207.50 = 118,362.38/x
  3. Step 3: Cross multiply
    189,946.94x = 262,207.50 × 118,362.38
  4. Step 4: Simplify right side
    189,946.94x = 31,035,503,753.85
  5. Step 5: Solve for x
    x = 31,035,503,753.85/189,946.94
  6. Step 6: Final answer
    x = 163,390.39

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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.