Home / 119,227.77-178,993.40-77,283.36

Finding the Fourth Proportional to 119,227.77, 178,993.40 and 77,283.36

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Solution

The fourth proportional to 119,227.77, 178,993.40 and 77,283.36 is: 116,023.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,227.77 : 178,993.40 = 77,283.36 : x
  2. Step 2: Convert to fraction form
    119,227.77/178,993.40 = 77,283.36/x
  3. Step 3: Cross multiply
    119,227.77x = 178,993.40 × 77,283.36
  4. Step 4: Simplify right side
    119,227.77x = 13,833,210,983.41
  5. Step 5: Solve for x
    x = 13,833,210,983.41/119,227.77
  6. Step 6: Final answer
    x = 116,023.40

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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.