Home / 127,613.50-191,405.65-34,126.54

Finding the Fourth Proportional to 127,613.50, 191,405.65 and 34,126.54

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Solution

The fourth proportional to 127,613.50, 191,405.65 and 34,126.54 is: 51,185.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,613.50 : 191,405.65 = 34,126.54 : x
  2. Step 2: Convert to fraction form
    127,613.50/191,405.65 = 34,126.54/x
  3. Step 3: Cross multiply
    127,613.50x = 191,405.65 × 34,126.54
  4. Step 4: Simplify right side
    127,613.50x = 6,532,012,570.95
  5. Step 5: Solve for x
    x = 6,532,012,570.95/127,613.50
  6. Step 6: Final answer
    x = 51,185.91

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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.