Home / 143,631.40-215,464.86-48,877.48

Finding the Fourth Proportional to 143,631.40, 215,464.86 and 48,877.48

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Solution

The fourth proportional to 143,631.40, 215,464.86 and 48,877.48 is: 73,322.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,631.40 : 215,464.86 = 48,877.48 : x
  2. Step 2: Convert to fraction form
    143,631.40/215,464.86 = 48,877.48/x
  3. Step 3: Cross multiply
    143,631.40x = 215,464.86 × 48,877.48
  4. Step 4: Simplify right side
    143,631.40x = 10,531,379,385.35
  5. Step 5: Solve for x
    x = 10,531,379,385.35/143,631.40
  6. Step 6: Final answer
    x = 73,322.26

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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.