Home / 161,858.02-223,375.89-93,898.21

Finding the Fourth Proportional to 161,858.02, 223,375.89 and 93,898.21

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Solution

The fourth proportional to 161,858.02, 223,375.89 and 93,898.21 is: 129,586.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,858.02 : 223,375.89 = 93,898.21 : x
  2. Step 2: Convert to fraction form
    161,858.02/223,375.89 = 93,898.21/x
  3. Step 3: Cross multiply
    161,858.02x = 223,375.89 × 93,898.21
  4. Step 4: Simplify right side
    161,858.02x = 20,974,596,228.16
  5. Step 5: Solve for x
    x = 20,974,596,228.16/161,858.02
  6. Step 6: Final answer
    x = 129,586.39

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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.