Home / 133,042.59-183,598.70-76,453.83

Finding the Fourth Proportional to 133,042.59, 183,598.70 and 76,453.83

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Solution

The fourth proportional to 133,042.59, 183,598.70 and 76,453.83 is: 105,506.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,042.59 : 183,598.70 = 76,453.83 : x
  2. Step 2: Convert to fraction form
    133,042.59/183,598.70 = 76,453.83/x
  3. Step 3: Cross multiply
    133,042.59x = 183,598.70 × 76,453.83
  4. Step 4: Simplify right side
    133,042.59x = 14,036,823,415.75
  5. Step 5: Solve for x
    x = 14,036,823,415.75/133,042.59
  6. Step 6: Final answer
    x = 105,506.24

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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.