Home / 112,123.20-168,192.90-37,295.40

Finding the Fourth Proportional to 112,123.20, 168,192.90 and 37,295.40

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Solution

The fourth proportional to 112,123.20, 168,192.90 and 37,295.40 is: 55,945.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,123.20 : 168,192.90 = 37,295.40 : x
  2. Step 2: Convert to fraction form
    112,123.20/168,192.90 = 37,295.40/x
  3. Step 3: Cross multiply
    112,123.20x = 168,192.90 × 37,295.40
  4. Step 4: Simplify right side
    112,123.20x = 6,272,821,482.66
  5. Step 5: Solve for x
    x = 6,272,821,482.66/112,123.20
  6. Step 6: Final answer
    x = 55,945.79

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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.