Home / 313,923.10-433,211.70-170,683.20

Finding the Fourth Proportional to 313,923.10, 433,211.70 and 170,683.20

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Solution

The fourth proportional to 313,923.10, 433,211.70 and 170,683.20 is: 235,541.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,923.10 : 433,211.70 = 170,683.20 : x
  2. Step 2: Convert to fraction form
    313,923.10/433,211.70 = 170,683.20/x
  3. Step 3: Cross multiply
    313,923.10x = 433,211.70 × 170,683.20
  4. Step 4: Simplify right side
    313,923.10x = 73,941,959,233.44
  5. Step 5: Solve for x
    x = 73,941,959,233.44/313,923.10
  6. Step 6: Final answer
    x = 235,541.63

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1.5x scale

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.