Home / 106,328.13-159,523.38-31,450.25

Finding the Fourth Proportional to 106,328.13, 159,523.38 and 31,450.25

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Solution

The fourth proportional to 106,328.13, 159,523.38 and 31,450.25 is: 47,184.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,328.13 : 159,523.38 = 31,450.25 : x
  2. Step 2: Convert to fraction form
    106,328.13/159,523.38 = 31,450.25/x
  3. Step 3: Cross multiply
    106,328.13x = 159,523.38 × 31,450.25
  4. Step 4: Simplify right side
    106,328.13x = 5,017,049,384.23
  5. Step 5: Solve for x
    x = 5,017,049,384.23/106,328.13
  6. Step 6: Final answer
    x = 47,184.59

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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.