Home / 219,149.06-328,925.66-111,154.23

Finding the Fourth Proportional to 219,149.06, 328,925.66 and 111,154.23

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Solution

The fourth proportional to 219,149.06, 328,925.66 and 111,154.23 is: 166,833.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,149.06 : 328,925.66 = 111,154.23 : x
  2. Step 2: Convert to fraction form
    219,149.06/328,925.66 = 111,154.23/x
  3. Step 3: Cross multiply
    219,149.06x = 328,925.66 × 111,154.23
  4. Step 4: Simplify right side
    219,149.06x = 36,561,477,908.77
  5. Step 5: Solve for x
    x = 36,561,477,908.77/219,149.06
  6. Step 6: Final answer
    x = 166,833.84

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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.