Home / 127,276.11-190,914.17-38,529.47

Finding the Fourth Proportional to 127,276.11, 190,914.17 and 38,529.47

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Solution

The fourth proportional to 127,276.11, 190,914.17 and 38,529.47 is: 57,794.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,276.11 : 190,914.17 = 38,529.47 : x
  2. Step 2: Convert to fraction form
    127,276.11/190,914.17 = 38,529.47/x
  3. Step 3: Cross multiply
    127,276.11x = 190,914.17 × 38,529.47
  4. Step 4: Simplify right side
    127,276.11x = 7,355,822,070.23
  5. Step 5: Solve for x
    x = 7,355,822,070.23/127,276.11
  6. Step 6: Final answer
    x = 57,794.21

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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.