Home / 119,112.04-164,374.94-65,400.53

Finding the Fourth Proportional to 119,112.04, 164,374.94 and 65,400.53

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Solution

The fourth proportional to 119,112.04, 164,374.94 and 65,400.53 is: 90,252.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,112.04 : 164,374.94 = 65,400.53 : x
  2. Step 2: Convert to fraction form
    119,112.04/164,374.94 = 65,400.53/x
  3. Step 3: Cross multiply
    119,112.04x = 164,374.94 × 65,400.53
  4. Step 4: Simplify right side
    119,112.04x = 10,750,208,278.65
  5. Step 5: Solve for x
    x = 10,750,208,278.65/119,112.04
  6. Step 6: Final answer
    x = 90,252.91

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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.