Home / 119,212.94-164,445.44-74,423.18

Finding the Fourth Proportional to 119,212.94, 164,445.44 and 74,423.18

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Solution

The fourth proportional to 119,212.94, 164,445.44 and 74,423.18 is: 102,661.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,212.94 : 164,445.44 = 74,423.18 : x
  2. Step 2: Convert to fraction form
    119,212.94/164,445.44 = 74,423.18/x
  3. Step 3: Cross multiply
    119,212.94x = 164,445.44 × 74,423.18
  4. Step 4: Simplify right side
    119,212.94x = 12,238,552,581.30
  5. Step 5: Solve for x
    x = 12,238,552,581.30/119,212.94
  6. Step 6: Final answer
    x = 102,661.28

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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.