Home / 133,204.32-183,861.36-76,655.52

Finding the Fourth Proportional to 133,204.32, 183,861.36 and 76,655.52

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Solution

The fourth proportional to 133,204.32, 183,861.36 and 76,655.52 is: 105,807.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,204.32 : 183,861.36 = 76,655.52 : x
  2. Step 2: Convert to fraction form
    133,204.32/183,861.36 = 76,655.52/x
  3. Step 3: Cross multiply
    133,204.32x = 183,861.36 × 76,655.52
  4. Step 4: Simplify right side
    133,204.32x = 14,093,988,158.71
  5. Step 5: Solve for x
    x = 14,093,988,158.71/133,204.32
  6. Step 6: Final answer
    x = 105,807.29

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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.