Home / 191,204.20-286,806.30-102,630.70

Finding the Fourth Proportional to 191,204.20, 286,806.30 and 102,630.70

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Solution

The fourth proportional to 191,204.20, 286,806.30 and 102,630.70 is: 153,946.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,204.20 : 286,806.30 = 102,630.70 : x
  2. Step 2: Convert to fraction form
    191,204.20/286,806.30 = 102,630.70/x
  3. Step 3: Cross multiply
    191,204.20x = 286,806.30 × 102,630.70
  4. Step 4: Simplify right side
    191,204.20x = 29,435,131,333.41
  5. Step 5: Solve for x
    x = 29,435,131,333.41/191,204.20
  6. Step 6: Final answer
    x = 153,946.05

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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.