Home / 245,427.20-368,148.85-67,919.34

Finding the Fourth Proportional to 245,427.20, 368,148.85 and 67,919.34

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Solution

The fourth proportional to 245,427.20, 368,148.85 and 67,919.34 is: 101,881.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,427.20 : 368,148.85 = 67,919.34 : x
  2. Step 2: Convert to fraction form
    245,427.20/368,148.85 = 67,919.34/x
  3. Step 3: Cross multiply
    245,427.20x = 368,148.85 × 67,919.34
  4. Step 4: Simplify right side
    245,427.20x = 25,004,426,574.16
  5. Step 5: Solve for x
    x = 25,004,426,574.16/245,427.20
  6. Step 6: Final answer
    x = 101,881.24

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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.