Home / 449,513.10-674,368.12-169,030.36

Finding the Fourth Proportional to 449,513.10, 674,368.12 and 169,030.36

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Solution

The fourth proportional to 449,513.10, 674,368.12 and 169,030.36 is: 253,582.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,513.10 : 674,368.12 = 169,030.36 : x
  2. Step 2: Convert to fraction form
    449,513.10/674,368.12 = 169,030.36/x
  3. Step 3: Cross multiply
    449,513.10x = 674,368.12 × 169,030.36
  4. Step 4: Simplify right side
    449,513.10x = 113,988,686,096.12
  5. Step 5: Solve for x
    x = 113,988,686,096.12/449,513.10
  6. Step 6: Final answer
    x = 253,582.57

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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.