Home / 111,187.14-153,438.28-60,199.86

Finding the Fourth Proportional to 111,187.14, 153,438.28 and 60,199.86

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Solution

The fourth proportional to 111,187.14, 153,438.28 and 60,199.86 is: 83,075.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,187.14 : 153,438.28 = 60,199.86 : x
  2. Step 2: Convert to fraction form
    111,187.14/153,438.28 = 60,199.86/x
  3. Step 3: Cross multiply
    111,187.14x = 153,438.28 × 60,199.86
  4. Step 4: Simplify right side
    111,187.14x = 9,236,962,974.64
  5. Step 5: Solve for x
    x = 9,236,962,974.64/111,187.14
  6. Step 6: Final answer
    x = 83,075.82

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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.