Home / 480,142.08-720,300.64-164,630.88

Finding the Fourth Proportional to 480,142.08, 720,300.64 and 164,630.88

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Solution

The fourth proportional to 480,142.08, 720,300.64 and 164,630.88 is: 246,976.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,142.08 : 720,300.64 = 164,630.88 : x
  2. Step 2: Convert to fraction form
    480,142.08/720,300.64 = 164,630.88/x
  3. Step 3: Cross multiply
    480,142.08x = 720,300.64 × 164,630.88
  4. Step 4: Simplify right side
    480,142.08x = 118,583,728,227.76
  5. Step 5: Solve for x
    x = 118,583,728,227.76/480,142.08
  6. Step 6: Final answer
    x = 246,976.33

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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.