Home / 340,848.16-470,361.04-189,941.28

Finding the Fourth Proportional to 340,848.16, 470,361.04 and 189,941.28

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Solution

The fourth proportional to 340,848.16, 470,361.04 and 189,941.28 is: 262,113.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,848.16 : 470,361.04 = 189,941.28 : x
  2. Step 2: Convert to fraction form
    340,848.16/470,361.04 = 189,941.28/x
  3. Step 3: Cross multiply
    340,848.16x = 470,361.04 × 189,941.28
  4. Step 4: Simplify right side
    340,848.16x = 89,340,977,999.73
  5. Step 5: Solve for x
    x = 89,340,977,999.73/340,848.16
  6. Step 6: Final answer
    x = 262,113.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.