Home / 107,349.48-160,821.18-102,845.16

Finding the Fourth Proportional to 107,349.48, 160,821.18 and 102,845.16

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Solution

The fourth proportional to 107,349.48, 160,821.18 and 102,845.16 is: 154,073.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,349.48 : 160,821.18 = 102,845.16 : x
  2. Step 2: Convert to fraction form
    107,349.48/160,821.18 = 102,845.16/x
  3. Step 3: Cross multiply
    107,349.48x = 160,821.18 × 102,845.16
  4. Step 4: Simplify right side
    107,349.48x = 16,539,679,988.49
  5. Step 5: Solve for x
    x = 16,539,679,988.49/107,349.48
  6. Step 6: Final answer
    x = 154,073.22

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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.