Home / 289,515.03-434,274.99-112,042.41

Finding the Fourth Proportional to 289,515.03, 434,274.99 and 112,042.41

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Solution

The fourth proportional to 289,515.03, 434,274.99 and 112,042.41 is: 168,064.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,515.03 : 434,274.99 = 112,042.41 : x
  2. Step 2: Convert to fraction form
    289,515.03/434,274.99 = 112,042.41/x
  3. Step 3: Cross multiply
    289,515.03x = 434,274.99 × 112,042.41
  4. Step 4: Simplify right side
    289,515.03x = 48,657,216,482.33
  5. Step 5: Solve for x
    x = 48,657,216,482.33/289,515.03
  6. Step 6: Final answer
    x = 168,064.56

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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.