Home / 154,032.67-231,075.27-68,674.50

Finding the Fourth Proportional to 154,032.67, 231,075.27 and 68,674.50

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Solution

The fourth proportional to 154,032.67, 231,075.27 and 68,674.50 is: 103,023.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,032.67 : 231,075.27 = 68,674.50 : x
  2. Step 2: Convert to fraction form
    154,032.67/231,075.27 = 68,674.50/x
  3. Step 3: Cross multiply
    154,032.67x = 231,075.27 × 68,674.50
  4. Step 4: Simplify right side
    154,032.67x = 15,868,977,645.92
  5. Step 5: Solve for x
    x = 15,868,977,645.92/154,032.67
  6. Step 6: Final answer
    x = 103,023.46

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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.