Home / 127,200.70-190,910.40-56,232.55

Finding the Fourth Proportional to 127,200.70, 190,910.40 and 56,232.55

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Solution

The fourth proportional to 127,200.70, 190,910.40 and 56,232.55 is: 84,397.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,200.70 : 190,910.40 = 56,232.55 : x
  2. Step 2: Convert to fraction form
    127,200.70/190,910.40 = 56,232.55/x
  3. Step 3: Cross multiply
    127,200.70x = 190,910.40 × 56,232.55
  4. Step 4: Simplify right side
    127,200.70x = 10,735,378,613.52
  5. Step 5: Solve for x
    x = 10,735,378,613.52/127,200.70
  6. Step 6: Final answer
    x = 84,397.17

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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.