Home / 111,622.19-154,040.23-60,635.86

Finding the Fourth Proportional to 111,622.19, 154,040.23 and 60,635.86

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Solution

The fourth proportional to 111,622.19, 154,040.23 and 60,635.86 is: 83,678.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,622.19 : 154,040.23 = 60,635.86 : x
  2. Step 2: Convert to fraction form
    111,622.19/154,040.23 = 60,635.86/x
  3. Step 3: Cross multiply
    111,622.19x = 154,040.23 × 60,635.86
  4. Step 4: Simplify right side
    111,622.19x = 9,340,361,511.34
  5. Step 5: Solve for x
    x = 9,340,361,511.34/111,622.19
  6. Step 6: Final answer
    x = 83,678.36

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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.