Home / 445,565.02-668,336.43-130,024.66

Finding the Fourth Proportional to 445,565.02, 668,336.43 and 130,024.66

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Solution

The fourth proportional to 445,565.02, 668,336.43 and 130,024.66 is: 195,033.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,565.02 : 668,336.43 = 130,024.66 : x
  2. Step 2: Convert to fraction form
    445,565.02/668,336.43 = 130,024.66/x
  3. Step 3: Cross multiply
    445,565.02x = 668,336.43 × 130,024.66
  4. Step 4: Simplify right side
    445,565.02x = 86,900,217,076.36
  5. Step 5: Solve for x
    x = 86,900,217,076.36/445,565.02
  6. Step 6: Final answer
    x = 195,033.75

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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.