Home / 445,840.12-668,449.14-165,282.04

Finding the Fourth Proportional to 445,840.12, 668,449.14 and 165,282.04

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Solution

The fourth proportional to 445,840.12, 668,449.14 and 165,282.04 is: 247,807.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,840.12 : 668,449.14 = 165,282.04 : x
  2. Step 2: Convert to fraction form
    445,840.12/668,449.14 = 165,282.04/x
  3. Step 3: Cross multiply
    445,840.12x = 668,449.14 × 165,282.04
  4. Step 4: Simplify right side
    445,840.12x = 110,482,637,495.45
  5. Step 5: Solve for x
    x = 110,482,637,495.45/445,840.12
  6. Step 6: Final answer
    x = 247,807.75

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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.