Home / 161,619.66-242,429.58-43,287.98

Finding the Fourth Proportional to 161,619.66, 242,429.58 and 43,287.98

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Solution

The fourth proportional to 161,619.66, 242,429.58 and 43,287.98 is: 64,931.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,619.66 : 242,429.58 = 43,287.98 : x
  2. Step 2: Convert to fraction form
    161,619.66/242,429.58 = 43,287.98/x
  3. Step 3: Cross multiply
    161,619.66x = 242,429.58 × 43,287.98
  4. Step 4: Simplify right side
    161,619.66x = 10,494,285,598.30
  5. Step 5: Solve for x
    x = 10,494,285,598.30/161,619.66
  6. Step 6: Final answer
    x = 64,931.99

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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.