Home / 313,940.12-433,242.78-170,701.10

Finding the Fourth Proportional to 313,940.12, 433,242.78 and 170,701.10

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Solution

The fourth proportional to 313,940.12, 433,242.78 and 170,701.10 is: 235,570.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,940.12 : 433,242.78 = 170,701.10 : x
  2. Step 2: Convert to fraction form
    313,940.12/433,242.78 = 170,701.10/x
  3. Step 3: Cross multiply
    313,940.12x = 433,242.78 × 170,701.10
  4. Step 4: Simplify right side
    313,940.12x = 73,955,019,113.06
  5. Step 5: Solve for x
    x = 73,955,019,113.06/313,940.12
  6. Step 6: Final answer
    x = 235,570.46

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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.