Home / 113,440.20-170,225.10-43,369.80

Finding the Fourth Proportional to 113,440.20, 170,225.10 and 43,369.80

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Solution

The fourth proportional to 113,440.20, 170,225.10 and 43,369.80 is: 65,079.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,440.20 : 170,225.10 = 43,369.80 : x
  2. Step 2: Convert to fraction form
    113,440.20/170,225.10 = 43,369.80/x
  3. Step 3: Cross multiply
    113,440.20x = 170,225.10 × 43,369.80
  4. Step 4: Simplify right side
    113,440.20x = 7,382,628,541.98
  5. Step 5: Solve for x
    x = 7,382,628,541.98/113,440.20
  6. Step 6: Final answer
    x = 65,079.47

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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.