Home / 148,365.93-204,743.32-80,381.22

Finding the Fourth Proportional to 148,365.93, 204,743.32 and 80,381.22

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Solution

The fourth proportional to 148,365.93, 204,743.32 and 80,381.22 is: 110,925.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,365.93 : 204,743.32 = 80,381.22 : x
  2. Step 2: Convert to fraction form
    148,365.93/204,743.32 = 80,381.22/x
  3. Step 3: Cross multiply
    148,365.93x = 204,743.32 × 80,381.22
  4. Step 4: Simplify right side
    148,365.93x = 16,457,517,848.45
  5. Step 5: Solve for x
    x = 16,457,517,848.45/148,365.93
  6. Step 6: Final answer
    x = 110,925.18

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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.