Home / 321,030.93-481,567.13-107,790.23

Finding the Fourth Proportional to 321,030.93, 481,567.13 and 107,790.23

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Solution

The fourth proportional to 321,030.93, 481,567.13 and 107,790.23 is: 161,692.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,030.93 : 481,567.13 = 107,790.23 : x
  2. Step 2: Convert to fraction form
    321,030.93/481,567.13 = 107,790.23/x
  3. Step 3: Cross multiply
    321,030.93x = 481,567.13 × 107,790.23
  4. Step 4: Simplify right side
    321,030.93x = 51,908,228,756.35
  5. Step 5: Solve for x
    x = 51,908,228,756.35/321,030.93
  6. Step 6: Final answer
    x = 161,692.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.