Home / 170,749.10-235,523.79-103,681.10

Finding the Fourth Proportional to 170,749.10, 235,523.79 and 103,681.10

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Solution

The fourth proportional to 170,749.10, 235,523.79 and 103,681.10 is: 143,013.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,749.10 : 235,523.79 = 103,681.10 : x
  2. Step 2: Convert to fraction form
    170,749.10/235,523.79 = 103,681.10/x
  3. Step 3: Cross multiply
    170,749.10x = 235,523.79 × 103,681.10
  4. Step 4: Simplify right side
    170,749.10x = 24,419,365,623.37
  5. Step 5: Solve for x
    x = 24,419,365,623.37/170,749.10
  6. Step 6: Final answer
    x = 143,013.14

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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.