Home / 150,315.36-207,440.64-83,247.36

Finding the Fourth Proportional to 150,315.36, 207,440.64 and 83,247.36

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Solution

The fourth proportional to 150,315.36, 207,440.64 and 83,247.36 is: 114,884.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,315.36 : 207,440.64 = 83,247.36 : x
  2. Step 2: Convert to fraction form
    150,315.36/207,440.64 = 83,247.36/x
  3. Step 3: Cross multiply
    150,315.36x = 207,440.64 × 83,247.36
  4. Step 4: Simplify right side
    150,315.36x = 17,268,885,636.71
  5. Step 5: Solve for x
    x = 17,268,885,636.71/150,315.36
  6. Step 6: Final answer
    x = 114,884.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.