Home / 127,636.44-176,136.84-70,274.59

Finding the Fourth Proportional to 127,636.44, 176,136.84 and 70,274.59

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Solution

The fourth proportional to 127,636.44, 176,136.84 and 70,274.59 is: 96,978.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,636.44 : 176,136.84 = 70,274.59 : x
  2. Step 2: Convert to fraction form
    127,636.44/176,136.84 = 70,274.59/x
  3. Step 3: Cross multiply
    127,636.44x = 176,136.84 × 70,274.59
  4. Step 4: Simplify right side
    127,636.44x = 12,377,943,818.50
  5. Step 5: Solve for x
    x = 12,377,943,818.50/127,636.44
  6. Step 6: Final answer
    x = 96,978.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.