Home / 159,073.02-238,609.58-74,771.28

Finding the Fourth Proportional to 159,073.02, 238,609.58 and 74,771.28

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Solution

The fourth proportional to 159,073.02, 238,609.58 and 74,771.28 is: 112,156.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,073.02 : 238,609.58 = 74,771.28 : x
  2. Step 2: Convert to fraction form
    159,073.02/238,609.58 = 74,771.28/x
  3. Step 3: Cross multiply
    159,073.02x = 238,609.58 × 74,771.28
  4. Step 4: Simplify right side
    159,073.02x = 17,841,143,343.01
  5. Step 5: Solve for x
    x = 17,841,143,343.01/159,073.02
  6. Step 6: Final answer
    x = 112,156.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.