Home / 176,317.12-243,248.80-100,825.28

Finding the Fourth Proportional to 176,317.12, 243,248.80 and 100,825.28

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Solution

The fourth proportional to 176,317.12, 243,248.80 and 100,825.28 is: 139,099.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,317.12 : 243,248.80 = 100,825.28 : x
  2. Step 2: Convert to fraction form
    176,317.12/243,248.80 = 100,825.28/x
  3. Step 3: Cross multiply
    176,317.12x = 243,248.80 × 100,825.28
  4. Step 4: Simplify right side
    176,317.12x = 24,525,628,369.66
  5. Step 5: Solve for x
    x = 24,525,628,369.66/176,317.12
  6. Step 6: Final answer
    x = 139,099.53

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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.