Home / 142,653.12-213,899.64-97,725.24

Finding the Fourth Proportional to 142,653.12, 213,899.64 and 97,725.24

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Solution

The fourth proportional to 142,653.12, 213,899.64 and 97,725.24 is: 146,533.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,653.12 : 213,899.64 = 97,725.24 : x
  2. Step 2: Convert to fraction form
    142,653.12/213,899.64 = 97,725.24/x
  3. Step 3: Cross multiply
    142,653.12x = 213,899.64 × 97,725.24
  4. Step 4: Simplify right side
    142,653.12x = 20,903,393,654.91
  5. Step 5: Solve for x
    x = 20,903,393,654.91/142,653.12
  6. Step 6: Final answer
    x = 146,533.03

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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.