Home / 119,075.72-178,488.86-40,162.76

Finding the Fourth Proportional to 119,075.72, 178,488.86 and 40,162.76

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Solution

The fourth proportional to 119,075.72, 178,488.86 and 40,162.76 is: 60,202.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,075.72 : 178,488.86 = 40,162.76 : x
  2. Step 2: Convert to fraction form
    119,075.72/178,488.86 = 40,162.76/x
  3. Step 3: Cross multiply
    119,075.72x = 178,488.86 × 40,162.76
  4. Step 4: Simplify right side
    119,075.72x = 7,168,605,246.85
  5. Step 5: Solve for x
    x = 7,168,605,246.85/119,075.72
  6. Step 6: Final answer
    x = 60,202.07

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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.