Home / 119,147.77-164,382.81-76,152.43

Finding the Fourth Proportional to 119,147.77, 164,382.81 and 76,152.43

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Solution

The fourth proportional to 119,147.77, 164,382.81 and 76,152.43 is: 105,064.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,147.77 : 164,382.81 = 76,152.43 : x
  2. Step 2: Convert to fraction form
    119,147.77/164,382.81 = 76,152.43/x
  3. Step 3: Cross multiply
    119,147.77x = 164,382.81 × 76,152.43
  4. Step 4: Simplify right side
    119,147.77x = 12,518,150,431.73
  5. Step 5: Solve for x
    x = 12,518,150,431.73/119,147.77
  6. Step 6: Final answer
    x = 105,064.08

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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.