Home / 102,088.36-153,139.83-27,208.11

Finding the Fourth Proportional to 102,088.36, 153,139.83 and 27,208.11

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Solution

The fourth proportional to 102,088.36, 153,139.83 and 27,208.11 is: 40,814.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,088.36 : 153,139.83 = 27,208.11 : x
  2. Step 2: Convert to fraction form
    102,088.36/153,139.83 = 27,208.11/x
  3. Step 3: Cross multiply
    102,088.36x = 153,139.83 × 27,208.11
  4. Step 4: Simplify right side
    102,088.36x = 4,166,645,340.02
  5. Step 5: Solve for x
    x = 4,166,645,340.02/102,088.36
  6. Step 6: Final answer
    x = 40,814.11

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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.