Home / 102,208.23-153,326.79-35,638.65

Finding the Fourth Proportional to 102,208.23, 153,326.79 and 35,638.65

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Solution

The fourth proportional to 102,208.23, 153,326.79 and 35,638.65 is: 53,463.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,208.23 : 153,326.79 = 35,638.65 : x
  2. Step 2: Convert to fraction form
    102,208.23/153,326.79 = 35,638.65/x
  3. Step 3: Cross multiply
    102,208.23x = 153,326.79 × 35,638.65
  4. Step 4: Simplify right side
    102,208.23x = 5,464,359,804.43
  5. Step 5: Solve for x
    x = 5,464,359,804.43/102,208.23
  6. Step 6: Final answer
    x = 53,463.01

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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.