Home / 175,205.13-261,847.54-127,919.83

Finding the Fourth Proportional to 175,205.13, 261,847.54 and 127,919.83

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Solution

The fourth proportional to 175,205.13, 261,847.54 and 127,919.83 is: 191,178.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,205.13 : 261,847.54 = 127,919.83 : x
  2. Step 2: Convert to fraction form
    175,205.13/261,847.54 = 127,919.83/x
  3. Step 3: Cross multiply
    175,205.13x = 261,847.54 × 127,919.83
  4. Step 4: Simplify right side
    175,205.13x = 33,495,492,815.86
  5. Step 5: Solve for x
    x = 33,495,492,815.86/175,205.13
  6. Step 6: Final answer
    x = 191,178.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.