Home / 286,941.15-430,395.12-109,466.10

Finding the Fourth Proportional to 286,941.15, 430,395.12 and 109,466.10

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Solution

The fourth proportional to 286,941.15, 430,395.12 and 109,466.10 is: 164,192.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,941.15 : 430,395.12 = 109,466.10 : x
  2. Step 2: Convert to fraction form
    286,941.15/430,395.12 = 109,466.10/x
  3. Step 3: Cross multiply
    286,941.15x = 430,395.12 × 109,466.10
  4. Step 4: Simplify right side
    286,941.15x = 47,113,675,245.43
  5. Step 5: Solve for x
    x = 47,113,675,245.43/286,941.15
  6. Step 6: Final answer
    x = 164,192.82

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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.