Home / 119,504.40-164,913.48-65,787.36

Finding the Fourth Proportional to 119,504.40, 164,913.48 and 65,787.36

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Solution

The fourth proportional to 119,504.40, 164,913.48 and 65,787.36 is: 90,785.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,504.40 : 164,913.48 = 65,787.36 : x
  2. Step 2: Convert to fraction form
    119,504.40/164,913.48 = 65,787.36/x
  3. Step 3: Cross multiply
    119,504.40x = 164,913.48 × 65,787.36
  4. Step 4: Simplify right side
    119,504.40x = 10,849,222,477.61
  5. Step 5: Solve for x
    x = 10,849,222,477.61/119,504.40
  6. Step 6: Final answer
    x = 90,785.13

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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.