Home / 445,564.02-668,334.93-130,023.66

Finding the Fourth Proportional to 445,564.02, 668,334.93 and 130,023.66

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Solution

The fourth proportional to 445,564.02, 668,334.93 and 130,023.66 is: 195,032.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,564.02 : 668,334.93 = 130,023.66 : x
  2. Step 2: Convert to fraction form
    445,564.02/668,334.93 = 130,023.66/x
  3. Step 3: Cross multiply
    445,564.02x = 668,334.93 × 130,023.66
  4. Step 4: Simplify right side
    445,564.02x = 86,899,353,704.44
  5. Step 5: Solve for x
    x = 86,899,353,704.44/445,564.02
  6. Step 6: Final answer
    x = 195,032.25

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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.