Home / 161,899.60-242,849.40-122,533.60

Finding the Fourth Proportional to 161,899.60, 242,849.40 and 122,533.60

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Solution

The fourth proportional to 161,899.60, 242,849.40 and 122,533.60 is: 183,800.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,899.60 : 242,849.40 = 122,533.60 : x
  2. Step 2: Convert to fraction form
    161,899.60/242,849.40 = 122,533.60/x
  3. Step 3: Cross multiply
    161,899.60x = 242,849.40 × 122,533.60
  4. Step 4: Simplify right side
    161,899.60x = 29,757,211,239.84
  5. Step 5: Solve for x
    x = 29,757,211,239.84/161,899.60
  6. Step 6: Final answer
    x = 183,800.40

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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.