Home / 482,075.12-722,879.40-166,421.36

Finding the Fourth Proportional to 482,075.12, 722,879.40 and 166,421.36

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Solution

The fourth proportional to 482,075.12, 722,879.40 and 166,421.36 is: 249,551.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,075.12 : 722,879.40 = 166,421.36 : x
  2. Step 2: Convert to fraction form
    482,075.12/722,879.40 = 166,421.36/x
  3. Step 3: Cross multiply
    482,075.12x = 722,879.40 × 166,421.36
  4. Step 4: Simplify right side
    482,075.12x = 120,302,572,863.98
  5. Step 5: Solve for x
    x = 120,302,572,863.98/482,075.12
  6. Step 6: Final answer
    x = 249,551.51

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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.