Home / 134,684.63-185,671.59-105,954.36

Finding the Fourth Proportional to 134,684.63, 185,671.59 and 105,954.36

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Solution

The fourth proportional to 134,684.63, 185,671.59 and 105,954.36 is: 146,065.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,684.63 : 185,671.59 = 105,954.36 : x
  2. Step 2: Convert to fraction form
    134,684.63/185,671.59 = 105,954.36/x
  3. Step 3: Cross multiply
    134,684.63x = 185,671.59 × 105,954.36
  4. Step 4: Simplify right side
    134,684.63x = 19,672,713,825.16
  5. Step 5: Solve for x
    x = 19,672,713,825.16/134,684.63
  6. Step 6: Final answer
    x = 146,065.03

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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.