Home / 111,606.36-154,017.84-61,305.36

Finding the Fourth Proportional to 111,606.36, 154,017.84 and 61,305.36

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Solution

The fourth proportional to 111,606.36, 154,017.84 and 61,305.36 is: 84,601.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,606.36 : 154,017.84 = 61,305.36 : x
  2. Step 2: Convert to fraction form
    111,606.36/154,017.84 = 61,305.36/x
  3. Step 3: Cross multiply
    111,606.36x = 154,017.84 × 61,305.36
  4. Step 4: Simplify right side
    111,606.36x = 9,442,119,127.62
  5. Step 5: Solve for x
    x = 9,442,119,127.62/111,606.36
  6. Step 6: Final answer
    x = 84,601.98

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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.