Home / 109,510.65-164,247.21-30,606.66

Finding the Fourth Proportional to 109,510.65, 164,247.21 and 30,606.66

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Solution

The fourth proportional to 109,510.65, 164,247.21 and 30,606.66 is: 45,904.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,510.65 : 164,247.21 = 30,606.66 : x
  2. Step 2: Convert to fraction form
    109,510.65/164,247.21 = 30,606.66/x
  3. Step 3: Cross multiply
    109,510.65x = 164,247.21 × 30,606.66
  4. Step 4: Simplify right side
    109,510.65x = 5,027,058,512.42
  5. Step 5: Solve for x
    x = 5,027,058,512.42/109,510.65
  6. Step 6: Final answer
    x = 45,904.75

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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.