Home / 190,840.32-262,926.40-147,671.40

Finding the Fourth Proportional to 190,840.32, 262,926.40 and 147,671.40

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Solution

The fourth proportional to 190,840.32, 262,926.40 and 147,671.40 is: 203,451.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,840.32 : 262,926.40 = 147,671.40 : x
  2. Step 2: Convert to fraction form
    190,840.32/262,926.40 = 147,671.40/x
  3. Step 3: Cross multiply
    190,840.32x = 262,926.40 × 147,671.40
  4. Step 4: Simplify right side
    190,840.32x = 38,826,709,584.96
  5. Step 5: Solve for x
    x = 38,826,709,584.96/190,840.32
  6. Step 6: Final answer
    x = 203,451.29

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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.