Home / 134,880.79-186,149.14-115,823.64

Finding the Fourth Proportional to 134,880.79, 186,149.14 and 115,823.64

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Solution

The fourth proportional to 134,880.79, 186,149.14 and 115,823.64 is: 159,848.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,880.79 : 186,149.14 = 115,823.64 : x
  2. Step 2: Convert to fraction form
    134,880.79/186,149.14 = 115,823.64/x
  3. Step 3: Cross multiply
    134,880.79x = 186,149.14 × 115,823.64
  4. Step 4: Simplify right side
    134,880.79x = 21,560,471,503.96
  5. Step 5: Solve for x
    x = 21,560,471,503.96/134,880.79
  6. Step 6: Final answer
    x = 159,848.35

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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.