Home / 111,417.15-167,042.63-67,033.58

Finding the Fourth Proportional to 111,417.15, 167,042.63 and 67,033.58

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Solution

The fourth proportional to 111,417.15, 167,042.63 and 67,033.58 is: 100,500.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,417.15 : 167,042.63 = 67,033.58 : x
  2. Step 2: Convert to fraction form
    111,417.15/167,042.63 = 67,033.58/x
  3. Step 3: Cross multiply
    111,417.15x = 167,042.63 × 67,033.58
  4. Step 4: Simplify right side
    111,417.15x = 11,197,464,331.13
  5. Step 5: Solve for x
    x = 11,197,464,331.13/111,417.15
  6. Step 6: Final answer
    x = 100,500.37

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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.