Home / 366,931.02-550,447.53-130,217.46

Finding the Fourth Proportional to 366,931.02, 550,447.53 and 130,217.46

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Solution

The fourth proportional to 366,931.02, 550,447.53 and 130,217.46 is: 195,344.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,931.02 : 550,447.53 = 130,217.46 : x
  2. Step 2: Convert to fraction form
    366,931.02/550,447.53 = 130,217.46/x
  3. Step 3: Cross multiply
    366,931.02x = 550,447.53 × 130,217.46
  4. Step 4: Simplify right side
    366,931.02x = 71,677,879,219.87
  5. Step 5: Solve for x
    x = 71,677,879,219.87/366,931.02
  6. Step 6: Final answer
    x = 195,344.29

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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.