Home / 133,096.60-183,675.09-72,666.55

Finding the Fourth Proportional to 133,096.60, 183,675.09 and 72,666.55

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Solution

The fourth proportional to 133,096.60, 183,675.09 and 72,666.55 is: 100,280.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,096.60 : 183,675.09 = 72,666.55 : x
  2. Step 2: Convert to fraction form
    133,096.60/183,675.09 = 72,666.55/x
  3. Step 3: Cross multiply
    133,096.60x = 183,675.09 × 72,666.55
  4. Step 4: Simplify right side
    133,096.60x = 13,347,035,111.24
  5. Step 5: Solve for x
    x = 13,347,035,111.24/133,096.60
  6. Step 6: Final answer
    x = 100,280.81

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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.