Home / 119,254.20-178,870.29-40,359.36

Finding the Fourth Proportional to 119,254.20, 178,870.29 and 40,359.36

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Solution

The fourth proportional to 119,254.20, 178,870.29 and 40,359.36 is: 60,535.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,254.20 : 178,870.29 = 40,359.36 : x
  2. Step 2: Convert to fraction form
    119,254.20/178,870.29 = 40,359.36/x
  3. Step 3: Cross multiply
    119,254.20x = 178,870.29 × 40,359.36
  4. Step 4: Simplify right side
    119,254.20x = 7,219,090,427.41
  5. Step 5: Solve for x
    x = 7,219,090,427.41/119,254.20
  6. Step 6: Final answer
    x = 60,535.31

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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.