Home / 125,135.98-187,702.38-30,366.94

Finding the Fourth Proportional to 125,135.98, 187,702.38 and 30,366.94

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Solution

The fourth proportional to 125,135.98, 187,702.38 and 30,366.94 is: 45,550.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,135.98 : 187,702.38 = 30,366.94 : x
  2. Step 2: Convert to fraction form
    125,135.98/187,702.38 = 30,366.94/x
  3. Step 3: Cross multiply
    125,135.98x = 187,702.38 × 30,366.94
  4. Step 4: Simplify right side
    125,135.98x = 5,699,946,911.32
  5. Step 5: Solve for x
    x = 5,699,946,911.32/125,135.98
  6. Step 6: Final answer
    x = 45,550.02

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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.