Home / 142,352.48-213,456.08-47,548.56

Finding the Fourth Proportional to 142,352.48, 213,456.08 and 47,548.56

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Solution

The fourth proportional to 142,352.48, 213,456.08 and 47,548.56 is: 71,298.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,352.48 : 213,456.08 = 47,548.56 : x
  2. Step 2: Convert to fraction form
    142,352.48/213,456.08 = 47,548.56/x
  3. Step 3: Cross multiply
    142,352.48x = 213,456.08 × 47,548.56
  4. Step 4: Simplify right side
    142,352.48x = 10,149,529,227.24
  5. Step 5: Solve for x
    x = 10,149,529,227.24/142,352.48
  6. Step 6: Final answer
    x = 71,298.58

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1.5x scale

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.