Home / 145,675.58-201,036.04-82,015.64

Finding the Fourth Proportional to 145,675.58, 201,036.04 and 82,015.64

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Solution

The fourth proportional to 145,675.58, 201,036.04 and 82,015.64 is: 113,183.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,675.58 : 201,036.04 = 82,015.64 : x
  2. Step 2: Convert to fraction form
    145,675.58/201,036.04 = 82,015.64/x
  3. Step 3: Cross multiply
    145,675.58x = 201,036.04 × 82,015.64
  4. Step 4: Simplify right side
    145,675.58x = 16,488,099,483.67
  5. Step 5: Solve for x
    x = 16,488,099,483.67/145,675.58
  6. Step 6: Final answer
    x = 113,183.69

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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.