Home / 104,456.18-144,147.30-56,709.11

Finding the Fourth Proportional to 104,456.18, 144,147.30 and 56,709.11

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Solution

The fourth proportional to 104,456.18, 144,147.30 and 56,709.11 is: 78,257.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,456.18 : 144,147.30 = 56,709.11 : x
  2. Step 2: Convert to fraction form
    104,456.18/144,147.30 = 56,709.11/x
  3. Step 3: Cross multiply
    104,456.18x = 144,147.30 × 56,709.11
  4. Step 4: Simplify right side
    104,456.18x = 8,174,465,239.61
  5. Step 5: Solve for x
    x = 8,174,465,239.61/104,456.18
  6. Step 6: Final answer
    x = 78,257.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.