Home / 133,068.03-183,606.43-76,468.47

Finding the Fourth Proportional to 133,068.03, 183,606.43 and 76,468.47

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Solution

The fourth proportional to 133,068.03, 183,606.43 and 76,468.47 is: 105,510.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,068.03 : 183,606.43 = 76,468.47 : x
  2. Step 2: Convert to fraction form
    133,068.03/183,606.43 = 76,468.47/x
  3. Step 3: Cross multiply
    133,068.03x = 183,606.43 × 76,468.47
  4. Step 4: Simplify right side
    133,068.03x = 14,040,102,784.26
  5. Step 5: Solve for x
    x = 14,040,102,784.26/133,068.03
  6. Step 6: Final answer
    x = 105,510.71

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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.