Home / 170,515.37-235,136.98-113,134.57

Finding the Fourth Proportional to 170,515.37, 235,136.98 and 113,134.57

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Solution

The fourth proportional to 170,515.37, 235,136.98 and 113,134.57 is: 156,010.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,515.37 : 235,136.98 = 113,134.57 : x
  2. Step 2: Convert to fraction form
    170,515.37/235,136.98 = 113,134.57/x
  3. Step 3: Cross multiply
    170,515.37x = 235,136.98 × 113,134.57
  4. Step 4: Simplify right side
    170,515.37x = 26,602,121,123.40
  5. Step 5: Solve for x
    x = 26,602,121,123.40/170,515.37
  6. Step 6: Final answer
    x = 156,010.11

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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.