Home / 119,278.90-178,918.23-30,532.27

Finding the Fourth Proportional to 119,278.90, 178,918.23 and 30,532.27

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Solution

The fourth proportional to 119,278.90, 178,918.23 and 30,532.27 is: 45,798.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,278.90 : 178,918.23 = 30,532.27 : x
  2. Step 2: Convert to fraction form
    119,278.90/178,918.23 = 30,532.27/x
  3. Step 3: Cross multiply
    119,278.90x = 178,918.23 × 30,532.27
  4. Step 4: Simplify right side
    119,278.90x = 5,462,779,706.28
  5. Step 5: Solve for x
    x = 5,462,779,706.28/119,278.90
  6. Step 6: Final answer
    x = 45,798.37

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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.