Home / 351,533.04-485,113.20-190,384.56

Finding the Fourth Proportional to 351,533.04, 485,113.20 and 190,384.56

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Solution

The fourth proportional to 351,533.04, 485,113.20 and 190,384.56 is: 262,729.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,533.04 : 485,113.20 = 190,384.56 : x
  2. Step 2: Convert to fraction form
    351,533.04/485,113.20 = 190,384.56/x
  3. Step 3: Cross multiply
    351,533.04x = 485,113.20 × 190,384.56
  4. Step 4: Simplify right side
    351,533.04x = 92,358,063,132.19
  5. Step 5: Solve for x
    x = 92,358,063,132.19/351,533.04
  6. Step 6: Final answer
    x = 262,729.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.