Home / 172,359.36-237,864.96-96,912.72

Finding the Fourth Proportional to 172,359.36, 237,864.96 and 96,912.72

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Solution

The fourth proportional to 172,359.36, 237,864.96 and 96,912.72 is: 133,744.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,359.36 : 237,864.96 = 96,912.72 : x
  2. Step 2: Convert to fraction form
    172,359.36/237,864.96 = 96,912.72/x
  3. Step 3: Cross multiply
    172,359.36x = 237,864.96 × 96,912.72
  4. Step 4: Simplify right side
    172,359.36x = 23,052,140,266.29
  5. Step 5: Solve for x
    x = 23,052,140,266.29/172,359.36
  6. Step 6: Final answer
    x = 133,744.64

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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.