Home / 187,312.20-280,992.60-92,590.80

Finding the Fourth Proportional to 187,312.20, 280,992.60 and 92,590.80

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Solution

The fourth proportional to 187,312.20, 280,992.60 and 92,590.80 is: 138,898.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,312.20 : 280,992.60 = 92,590.80 : x
  2. Step 2: Convert to fraction form
    187,312.20/280,992.60 = 92,590.80/x
  3. Step 3: Cross multiply
    187,312.20x = 280,992.60 × 92,590.80
  4. Step 4: Simplify right side
    187,312.20x = 26,017,329,628.08
  5. Step 5: Solve for x
    x = 26,017,329,628.08/187,312.20
  6. Step 6: Final answer
    x = 138,898.21

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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.