Home / 213,484.16-320,281.50-113,562.02

Finding the Fourth Proportional to 213,484.16, 320,281.50 and 113,562.02

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Solution

The fourth proportional to 213,484.16, 320,281.50 and 113,562.02 is: 170,372.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,484.16 : 320,281.50 = 113,562.02 : x
  2. Step 2: Convert to fraction form
    213,484.16/320,281.50 = 113,562.02/x
  3. Step 3: Cross multiply
    213,484.16x = 320,281.50 × 113,562.02
  4. Step 4: Simplify right side
    213,484.16x = 36,371,814,108.63
  5. Step 5: Solve for x
    x = 36,371,814,108.63/213,484.16
  6. Step 6: Final answer
    x = 170,372.43

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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.