Home / 125,636.90-188,464.58-46,751.12

Finding the Fourth Proportional to 125,636.90, 188,464.58 and 46,751.12

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Solution

The fourth proportional to 125,636.90, 188,464.58 and 46,751.12 is: 70,130.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,636.90 : 188,464.58 = 46,751.12 : x
  2. Step 2: Convert to fraction form
    125,636.90/188,464.58 = 46,751.12/x
  3. Step 3: Cross multiply
    125,636.90x = 188,464.58 × 46,751.12
  4. Step 4: Simplify right side
    125,636.90x = 8,810,930,195.33
  5. Step 5: Solve for x
    x = 8,810,930,195.33/125,636.90
  6. Step 6: Final answer
    x = 70,130.11

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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.