Home / 109,739.40-164,510.55-43,224.90

Finding the Fourth Proportional to 109,739.40, 164,510.55 and 43,224.90

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Solution

The fourth proportional to 109,739.40, 164,510.55 and 43,224.90 is: 64,798.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,739.40 : 164,510.55 = 43,224.90 : x
  2. Step 2: Convert to fraction form
    109,739.40/164,510.55 = 43,224.90/x
  3. Step 3: Cross multiply
    109,739.40x = 164,510.55 × 43,224.90
  4. Step 4: Simplify right side
    109,739.40x = 7,110,952,072.70
  5. Step 5: Solve for x
    x = 7,110,952,072.70/109,739.40
  6. Step 6: Final answer
    x = 64,798.53

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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.