Home / 112,219.52-168,553.44-70,174.40

Finding the Fourth Proportional to 112,219.52, 168,553.44 and 70,174.40

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Solution

The fourth proportional to 112,219.52, 168,553.44 and 70,174.40 is: 105,401.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,219.52 : 168,553.44 = 70,174.40 : x
  2. Step 2: Convert to fraction form
    112,219.52/168,553.44 = 70,174.40/x
  3. Step 3: Cross multiply
    112,219.52x = 168,553.44 × 70,174.40
  4. Step 4: Simplify right side
    112,219.52x = 11,828,136,519.94
  5. Step 5: Solve for x
    x = 11,828,136,519.94/112,219.52
  6. Step 6: Final answer
    x = 105,401.77

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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.