Home / 112,177.40-168,357.90-111,302.60

Finding the Fourth Proportional to 112,177.40, 168,357.90 and 111,302.60

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Solution

The fourth proportional to 112,177.40, 168,357.90 and 111,302.60 is: 167,044.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,177.40 : 168,357.90 = 111,302.60 : x
  2. Step 2: Convert to fraction form
    112,177.40/168,357.90 = 111,302.60/x
  3. Step 3: Cross multiply
    112,177.40x = 168,357.90 × 111,302.60
  4. Step 4: Simplify right side
    112,177.40x = 18,738,672,000.54
  5. Step 5: Solve for x
    x = 18,738,672,000.54/112,177.40
  6. Step 6: Final answer
    x = 167,044.98

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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.