Home / 112,285.41-154,979.93-74,051.87

Finding the Fourth Proportional to 112,285.41, 154,979.93 and 74,051.87

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Solution

The fourth proportional to 112,285.41, 154,979.93 and 74,051.87 is: 102,208.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,285.41 : 154,979.93 = 74,051.87 : x
  2. Step 2: Convert to fraction form
    112,285.41/154,979.93 = 74,051.87/x
  3. Step 3: Cross multiply
    112,285.41x = 154,979.93 × 74,051.87
  4. Step 4: Simplify right side
    112,285.41x = 11,476,552,483.81
  5. Step 5: Solve for x
    x = 11,476,552,483.81/112,285.41
  6. Step 6: Final answer
    x = 102,208.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.