Home / 104,464.20-156,696.30-70,784.40

Finding the Fourth Proportional to 104,464.20, 156,696.30 and 70,784.40

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Solution

The fourth proportional to 104,464.20, 156,696.30 and 70,784.40 is: 106,176.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,464.20 : 156,696.30 = 70,784.40 : x
  2. Step 2: Convert to fraction form
    104,464.20/156,696.30 = 70,784.40/x
  3. Step 3: Cross multiply
    104,464.20x = 156,696.30 × 70,784.40
  4. Step 4: Simplify right side
    104,464.20x = 11,091,653,577.72
  5. Step 5: Solve for x
    x = 11,091,653,577.72/104,464.20
  6. Step 6: Final answer
    x = 106,176.60

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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.