Home / 170,685.36-235,587.96-103,673.52

Finding the Fourth Proportional to 170,685.36, 235,587.96 and 103,673.52

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Solution

The fourth proportional to 170,685.36, 235,587.96 and 103,673.52 is: 143,095.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,685.36 : 235,587.96 = 103,673.52 : x
  2. Step 2: Convert to fraction form
    170,685.36/235,587.96 = 103,673.52/x
  3. Step 3: Cross multiply
    170,685.36x = 235,587.96 × 103,673.52
  4. Step 4: Simplify right side
    170,685.36x = 24,424,233,082.82
  5. Step 5: Solve for x
    x = 24,424,233,082.82/170,685.36
  6. Step 6: Final answer
    x = 143,095.07

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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.