Home / 316,357.21-474,585.30-103,075.61

Finding the Fourth Proportional to 316,357.21, 474,585.30 and 103,075.61

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Solution

The fourth proportional to 316,357.21, 474,585.30 and 103,075.61 is: 154,629.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,357.21 : 474,585.30 = 103,075.61 : x
  2. Step 2: Convert to fraction form
    316,357.21/474,585.30 = 103,075.61/x
  3. Step 3: Cross multiply
    316,357.21x = 474,585.30 × 103,075.61
  4. Step 4: Simplify right side
    316,357.21x = 48,918,171,215.82
  5. Step 5: Solve for x
    x = 48,918,171,215.82/316,357.21
  6. Step 6: Final answer
    x = 154,629.54

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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.