Home / 191,392.20-287,099.10-58,276.80

Finding the Fourth Proportional to 191,392.20, 287,099.10 and 58,276.80

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Solution

The fourth proportional to 191,392.20, 287,099.10 and 58,276.80 is: 87,418.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,392.20 : 287,099.10 = 58,276.80 : x
  2. Step 2: Convert to fraction form
    191,392.20/287,099.10 = 58,276.80/x
  3. Step 3: Cross multiply
    191,392.20x = 287,099.10 × 58,276.80
  4. Step 4: Simplify right side
    191,392.20x = 16,731,216,830.88
  5. Step 5: Solve for x
    x = 16,731,216,830.88/191,392.20
  6. Step 6: Final answer
    x = 87,418.49

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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.