Home / 167,368.38-230,970-91,916.88

Finding the Fourth Proportional to 167,368.38, 230,970 and 91,916.88

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Solution

The fourth proportional to 167,368.38, 230,970 and 91,916.88 is: 126,846.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,368.38 : 230,970 = 91,916.88 : x
  2. Step 2: Convert to fraction form
    167,368.38/230,970 = 91,916.88/x
  3. Step 3: Cross multiply
    167,368.38x = 230,970 × 91,916.88
  4. Step 4: Simplify right side
    167,368.38x = 21,230,041,773.60
  5. Step 5: Solve for x
    x = 21,230,041,773.60/167,368.38
  6. Step 6: Final answer
    x = 126,846.19

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1.5x scale

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.