Home / 313,858.10-433,119.07-170,621.75

Finding the Fourth Proportional to 313,858.10, 433,119.07 and 170,621.75

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Solution

The fourth proportional to 313,858.10, 433,119.07 and 170,621.75 is: 235,455.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,858.10 : 433,119.07 = 170,621.75 : x
  2. Step 2: Convert to fraction form
    313,858.10/433,119.07 = 170,621.75/x
  3. Step 3: Cross multiply
    313,858.10x = 433,119.07 × 170,621.75
  4. Step 4: Simplify right side
    313,858.10x = 73,899,533,681.77
  5. Step 5: Solve for x
    x = 73,899,533,681.77/313,858.10
  6. Step 6: Final answer
    x = 235,455.24

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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.