Home / 111,325.38-153,629.10-60,338.58

Finding the Fourth Proportional to 111,325.38, 153,629.10 and 60,338.58

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Solution

The fourth proportional to 111,325.38, 153,629.10 and 60,338.58 is: 83,267.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,325.38 : 153,629.10 = 60,338.58 : x
  2. Step 2: Convert to fraction form
    111,325.38/153,629.10 = 60,338.58/x
  3. Step 3: Cross multiply
    111,325.38x = 153,629.10 × 60,338.58
  4. Step 4: Simplify right side
    111,325.38x = 9,269,761,740.68
  5. Step 5: Solve for x
    x = 9,269,761,740.68/111,325.38
  6. Step 6: Final answer
    x = 83,267.28

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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.