Home / 480,023.60-720,035.40-164,433.20

Finding the Fourth Proportional to 480,023.60, 720,035.40 and 164,433.20

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Solution

The fourth proportional to 480,023.60, 720,035.40 and 164,433.20 is: 246,649.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,023.60 : 720,035.40 = 164,433.20 : x
  2. Step 2: Convert to fraction form
    480,023.60/720,035.40 = 164,433.20/x
  3. Step 3: Cross multiply
    480,023.60x = 720,035.40 × 164,433.20
  4. Step 4: Simplify right side
    480,023.60x = 118,397,724,935.28
  5. Step 5: Solve for x
    x = 118,397,724,935.28/480,023.60
  6. Step 6: Final answer
    x = 246,649.80

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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.