Home / 112,176.90-168,357.15-111,302.10

Finding the Fourth Proportional to 112,176.90, 168,357.15 and 111,302.10

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Solution

The fourth proportional to 112,176.90, 168,357.15 and 111,302.10 is: 167,044.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,176.90 : 168,357.15 = 111,302.10 : x
  2. Step 2: Convert to fraction form
    112,176.90/168,357.15 = 111,302.10/x
  3. Step 3: Cross multiply
    112,176.90x = 168,357.15 × 111,302.10
  4. Step 4: Simplify right side
    112,176.90x = 18,738,504,345.02
  5. Step 5: Solve for x
    x = 18,738,504,345.02/112,176.90
  6. Step 6: Final answer
    x = 167,044.23

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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.