Home / 170,387.76-235,136.67-93,909.57

Finding the Fourth Proportional to 170,387.76, 235,136.67 and 93,909.57

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Solution

The fourth proportional to 170,387.76, 235,136.67 and 93,909.57 is: 129,596.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,387.76 : 235,136.67 = 93,909.57 : x
  2. Step 2: Convert to fraction form
    170,387.76/235,136.67 = 93,909.57/x
  3. Step 3: Cross multiply
    170,387.76x = 235,136.67 × 93,909.57
  4. Step 4: Simplify right side
    170,387.76x = 22,081,583,570.93
  5. Step 5: Solve for x
    x = 22,081,583,570.93/170,387.76
  6. Step 6: Final answer
    x = 129,596.07

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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.