Home / 220,464.16-330,690.77-70,715.00

Finding the Fourth Proportional to 220,464.16, 330,690.77 and 70,715.00

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Solution

The fourth proportional to 220,464.16, 330,690.77 and 70,715.00 is: 106,070.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,464.16 : 330,690.77 = 70,715.00 : x
  2. Step 2: Convert to fraction form
    220,464.16/330,690.77 = 70,715.00/x
  3. Step 3: Cross multiply
    220,464.16x = 330,690.77 × 70,715.00
  4. Step 4: Simplify right side
    220,464.16x = 23,384,798,538.88
  5. Step 5: Solve for x
    x = 23,384,798,538.88/220,464.16
  6. Step 6: Final answer
    x = 106,070.75

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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.