Home / 165,787.60-248,389.80-136,044.40

Finding the Fourth Proportional to 165,787.60, 248,389.80 and 136,044.40

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Solution

The fourth proportional to 165,787.60, 248,389.80 and 136,044.40 is: 203,827.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,787.60 : 248,389.80 = 136,044.40 : x
  2. Step 2: Convert to fraction form
    165,787.60/248,389.80 = 136,044.40/x
  3. Step 3: Cross multiply
    165,787.60x = 248,389.80 × 136,044.40
  4. Step 4: Simplify right side
    165,787.60x = 33,792,041,307.12
  5. Step 5: Solve for x
    x = 33,792,041,307.12/165,787.60
  6. Step 6: Final answer
    x = 203,827.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.