Home / 161,533.12-242,285.80-98,336.84

Finding the Fourth Proportional to 161,533.12, 242,285.80 and 98,336.84

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Solution

The fourth proportional to 161,533.12, 242,285.80 and 98,336.84 is: 147,496.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,533.12 : 242,285.80 = 98,336.84 : x
  2. Step 2: Convert to fraction form
    161,533.12/242,285.80 = 98,336.84/x
  3. Step 3: Cross multiply
    161,533.12x = 242,285.80 × 98,336.84
  4. Step 4: Simplify right side
    161,533.12x = 23,825,619,948.87
  5. Step 5: Solve for x
    x = 23,825,619,948.87/161,533.12
  6. Step 6: Final answer
    x = 147,496.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.