Home / 127,085.30-190,511.32-43,920.98

Finding the Fourth Proportional to 127,085.30, 190,511.32 and 43,920.98

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Solution

The fourth proportional to 127,085.30, 190,511.32 and 43,920.98 is: 65,841.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,085.30 : 190,511.32 = 43,920.98 : x
  2. Step 2: Convert to fraction form
    127,085.30/190,511.32 = 43,920.98/x
  3. Step 3: Cross multiply
    127,085.30x = 190,511.32 × 43,920.98
  4. Step 4: Simplify right side
    127,085.30x = 8,367,444,558.00
  5. Step 5: Solve for x
    x = 8,367,444,558.00/127,085.30
  6. Step 6: Final answer
    x = 65,841.17

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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.