Home / 164,025.54-246,038.04-126,639.90

Finding the Fourth Proportional to 164,025.54, 246,038.04 and 126,639.90

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Solution

The fourth proportional to 164,025.54, 246,038.04 and 126,639.90 is: 189,959.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,025.54 : 246,038.04 = 126,639.90 : x
  2. Step 2: Convert to fraction form
    164,025.54/246,038.04 = 126,639.90/x
  3. Step 3: Cross multiply
    164,025.54x = 246,038.04 × 126,639.90
  4. Step 4: Simplify right side
    164,025.54x = 31,158,232,781.80
  5. Step 5: Solve for x
    x = 31,158,232,781.80/164,025.54
  6. Step 6: Final answer
    x = 189,959.64

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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.