Home / 286,530.27-429,528.15-96,858.75

Finding the Fourth Proportional to 286,530.27, 429,528.15 and 96,858.75

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Solution

The fourth proportional to 286,530.27, 429,528.15 and 96,858.75 is: 145,197.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,530.27 : 429,528.15 = 96,858.75 : x
  2. Step 2: Convert to fraction form
    286,530.27/429,528.15 = 96,858.75/x
  3. Step 3: Cross multiply
    286,530.27x = 429,528.15 × 96,858.75
  4. Step 4: Simplify right side
    286,530.27x = 41,603,559,698.81
  5. Step 5: Solve for x
    x = 41,603,559,698.81/286,530.27
  6. Step 6: Final answer
    x = 145,197.78

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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.