Home / 209,533.08-289,155.65-114,040.46

Finding the Fourth Proportional to 209,533.08, 289,155.65 and 114,040.46

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Solution

The fourth proportional to 209,533.08, 289,155.65 and 114,040.46 is: 157,375.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,533.08 : 289,155.65 = 114,040.46 : x
  2. Step 2: Convert to fraction form
    209,533.08/289,155.65 = 114,040.46/x
  3. Step 3: Cross multiply
    209,533.08x = 289,155.65 × 114,040.46
  4. Step 4: Simplify right side
    209,533.08x = 32,975,442,184.52
  5. Step 5: Solve for x
    x = 32,975,442,184.52/209,533.08
  6. Step 6: Final answer
    x = 157,375.83

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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.