Home / 133,026.42-183,580.32-72,600.94

Finding the Fourth Proportional to 133,026.42, 183,580.32 and 72,600.94

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Solution

The fourth proportional to 133,026.42, 183,580.32 and 72,600.94 is: 100,191.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,026.42 : 183,580.32 = 72,600.94 : x
  2. Step 2: Convert to fraction form
    133,026.42/183,580.32 = 72,600.94/x
  3. Step 3: Cross multiply
    133,026.42x = 183,580.32 × 72,600.94
  4. Step 4: Simplify right side
    133,026.42x = 13,328,103,797.50
  5. Step 5: Solve for x
    x = 13,328,103,797.50/133,026.42
  6. Step 6: Final answer
    x = 100,191.40

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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.