Home / 170,707.36-235,618.32-103,695.52

Finding the Fourth Proportional to 170,707.36, 235,618.32 and 103,695.52

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Solution

The fourth proportional to 170,707.36, 235,618.32 and 103,695.52 is: 143,125.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,707.36 : 235,618.32 = 103,695.52 : x
  2. Step 2: Convert to fraction form
    170,707.36/235,618.32 = 103,695.52/x
  3. Step 3: Cross multiply
    170,707.36x = 235,618.32 × 103,695.52
  4. Step 4: Simplify right side
    170,707.36x = 24,432,564,213.93
  5. Step 5: Solve for x
    x = 24,432,564,213.93/170,707.36
  6. Step 6: Final answer
    x = 143,125.43

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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.