Home / 111,182.10-153,431.39-60,194.87

Finding the Fourth Proportional to 111,182.10, 153,431.39 and 60,194.87

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Solution

The fourth proportional to 111,182.10, 153,431.39 and 60,194.87 is: 83,068.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,182.10 : 153,431.39 = 60,194.87 : x
  2. Step 2: Convert to fraction form
    111,182.10/153,431.39 = 60,194.87/x
  3. Step 3: Cross multiply
    111,182.10x = 153,431.39 × 60,194.87
  4. Step 4: Simplify right side
    111,182.10x = 9,235,782,533.67
  5. Step 5: Solve for x
    x = 9,235,782,533.67/111,182.10
  6. Step 6: Final answer
    x = 83,068.97

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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.