Home / 102,399.56-153,478.65-46,173.84

Finding the Fourth Proportional to 102,399.56, 153,478.65 and 46,173.84

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Solution

The fourth proportional to 102,399.56, 153,478.65 and 46,173.84 is: 69,206.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,399.56 : 153,478.65 = 46,173.84 : x
  2. Step 2: Convert to fraction form
    102,399.56/153,478.65 = 46,173.84/x
  3. Step 3: Cross multiply
    102,399.56x = 153,478.65 × 46,173.84
  4. Step 4: Simplify right side
    102,399.56x = 7,086,698,226.12
  5. Step 5: Solve for x
    x = 7,086,698,226.12/102,399.56
  6. Step 6: Final answer
    x = 69,206.34

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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.