Home / 133,096.90-183,665.96-72,655.50

Finding the Fourth Proportional to 133,096.90, 183,665.96 and 72,655.50

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Solution

The fourth proportional to 133,096.90, 183,665.96 and 72,655.50 is: 100,260.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,096.90 : 183,665.96 = 72,655.50 : x
  2. Step 2: Convert to fraction form
    133,096.90/183,665.96 = 72,655.50/x
  3. Step 3: Cross multiply
    133,096.90x = 183,665.96 × 72,655.50
  4. Step 4: Simplify right side
    133,096.90x = 13,344,342,156.78
  5. Step 5: Solve for x
    x = 13,344,342,156.78/133,096.90
  6. Step 6: Final answer
    x = 100,260.35

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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.