Home / 163,533.03-225,765.14-99,013.83

Finding the Fourth Proportional to 163,533.03, 225,765.14 and 99,013.83

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Solution

The fourth proportional to 163,533.03, 225,765.14 and 99,013.83 is: 136,693.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,533.03 : 225,765.14 = 99,013.83 : x
  2. Step 2: Convert to fraction form
    163,533.03/225,765.14 = 99,013.83/x
  3. Step 3: Cross multiply
    163,533.03x = 225,765.14 × 99,013.83
  4. Step 4: Simplify right side
    163,533.03x = 22,353,870,696.82
  5. Step 5: Solve for x
    x = 22,353,870,696.82/163,533.03
  6. Step 6: Final answer
    x = 136,693.31

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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.