Home / 103,216.08-154,712.04-43,283.28

Finding the Fourth Proportional to 103,216.08, 154,712.04 and 43,283.28

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Solution

The fourth proportional to 103,216.08, 154,712.04 and 43,283.28 is: 64,877.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,216.08 : 154,712.04 = 43,283.28 : x
  2. Step 2: Convert to fraction form
    103,216.08/154,712.04 = 43,283.28/x
  3. Step 3: Cross multiply
    103,216.08x = 154,712.04 × 43,283.28
  4. Step 4: Simplify right side
    103,216.08x = 6,696,444,546.69
  5. Step 5: Solve for x
    x = 6,696,444,546.69/103,216.08
  6. Step 6: Final answer
    x = 64,877.92

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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.