Home / 117,412.32-176,114.82-28,666.28

Finding the Fourth Proportional to 117,412.32, 176,114.82 and 28,666.28

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Solution

The fourth proportional to 117,412.32, 176,114.82 and 28,666.28 is: 42,998.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,412.32 : 176,114.82 = 28,666.28 : x
  2. Step 2: Convert to fraction form
    117,412.32/176,114.82 = 28,666.28/x
  3. Step 3: Cross multiply
    117,412.32x = 176,114.82 × 28,666.28
  4. Step 4: Simplify right side
    117,412.32x = 5,048,556,742.27
  5. Step 5: Solve for x
    x = 5,048,556,742.27/117,412.32
  6. Step 6: Final answer
    x = 42,998.53

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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.