Home / 313,938.56-433,233.06-170,698.70

Finding the Fourth Proportional to 313,938.56, 433,233.06 and 170,698.70

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Solution

The fourth proportional to 313,938.56, 433,233.06 and 170,698.70 is: 235,563.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,938.56 : 433,233.06 = 170,698.70 : x
  2. Step 2: Convert to fraction form
    313,938.56/433,233.06 = 170,698.70/x
  3. Step 3: Cross multiply
    313,938.56x = 433,233.06 × 170,698.70
  4. Step 4: Simplify right side
    313,938.56x = 73,952,320,139.02
  5. Step 5: Solve for x
    x = 73,952,320,139.02/313,938.56
  6. Step 6: Final answer
    x = 235,563.04

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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.