Home / 161,821.55-223,313.01-93,877.94

Finding the Fourth Proportional to 161,821.55, 223,313.01 and 93,877.94

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Solution

The fourth proportional to 161,821.55, 223,313.01 and 93,877.94 is: 129,551.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,821.55 : 223,313.01 = 93,877.94 : x
  2. Step 2: Convert to fraction form
    161,821.55/223,313.01 = 93,877.94/x
  3. Step 3: Cross multiply
    161,821.55x = 223,313.01 × 93,877.94
  4. Step 4: Simplify right side
    161,821.55x = 20,964,165,354.00
  5. Step 5: Solve for x
    x = 20,964,165,354.00/161,821.55
  6. Step 6: Final answer
    x = 129,551.13

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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.