Home / 137,338.24-205,875.84-43,783.36

Finding the Fourth Proportional to 137,338.24, 205,875.84 and 43,783.36

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Solution

The fourth proportional to 137,338.24, 205,875.84 and 43,783.36 is: 65,633.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,338.24 : 205,875.84 = 43,783.36 : x
  2. Step 2: Convert to fraction form
    137,338.24/205,875.84 = 43,783.36/x
  3. Step 3: Cross multiply
    137,338.24x = 205,875.84 × 43,783.36
  4. Step 4: Simplify right side
    137,338.24x = 9,013,936,018.02
  5. Step 5: Solve for x
    x = 9,013,936,018.02/137,338.24
  6. Step 6: Final answer
    x = 65,633.11

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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.