Home / 148,542.30-223,011.21-86,257.50

Finding the Fourth Proportional to 148,542.30, 223,011.21 and 86,257.50

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Solution

The fourth proportional to 148,542.30, 223,011.21 and 86,257.50 is: 129,501.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,542.30 : 223,011.21 = 86,257.50 : x
  2. Step 2: Convert to fraction form
    148,542.30/223,011.21 = 86,257.50/x
  3. Step 3: Cross multiply
    148,542.30x = 223,011.21 × 86,257.50
  4. Step 4: Simplify right side
    148,542.30x = 19,236,389,446.58
  5. Step 5: Solve for x
    x = 19,236,389,446.58/148,542.30
  6. Step 6: Final answer
    x = 129,501.09

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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.