Home / 133,106.80-183,496.56-82,085.26

Finding the Fourth Proportional to 133,106.80, 183,496.56 and 82,085.26

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Solution

The fourth proportional to 133,106.80, 183,496.56 and 82,085.26 is: 113,159.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,106.80 : 183,496.56 = 82,085.26 : x
  2. Step 2: Convert to fraction form
    133,106.80/183,496.56 = 82,085.26/x
  3. Step 3: Cross multiply
    133,106.80x = 183,496.56 × 82,085.26
  4. Step 4: Simplify right side
    133,106.80x = 15,062,362,836.71
  5. Step 5: Solve for x
    x = 15,062,362,836.71/133,106.80
  6. Step 6: Final answer
    x = 113,159.98

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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.