Home / 111,844.48-154,339.52-61,533.76

Finding the Fourth Proportional to 111,844.48, 154,339.52 and 61,533.76

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Solution

The fourth proportional to 111,844.48, 154,339.52 and 61,533.76 is: 84,913.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,844.48 : 154,339.52 = 61,533.76 : x
  2. Step 2: Convert to fraction form
    111,844.48/154,339.52 = 61,533.76/x
  3. Step 3: Cross multiply
    111,844.48x = 154,339.52 × 61,533.76
  4. Step 4: Simplify right side
    111,844.48x = 9,497,090,982.20
  5. Step 5: Solve for x
    x = 9,497,090,982.20/111,844.48
  6. Step 6: Final answer
    x = 84,913.36

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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.