Home / 325,271.40-487,907.10-114,930.60

Finding the Fourth Proportional to 325,271.40, 487,907.10 and 114,930.60

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Solution

The fourth proportional to 325,271.40, 487,907.10 and 114,930.60 is: 172,395.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,271.40 : 487,907.10 = 114,930.60 : x
  2. Step 2: Convert to fraction form
    325,271.40/487,907.10 = 114,930.60/x
  3. Step 3: Cross multiply
    325,271.40x = 487,907.10 × 114,930.60
  4. Step 4: Simplify right side
    325,271.40x = 56,075,455,747.26
  5. Step 5: Solve for x
    x = 56,075,455,747.26/325,271.40
  6. Step 6: Final answer
    x = 172,395.90

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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.