Home / 127,209.57-190,814.37-42,969.97

Finding the Fourth Proportional to 127,209.57, 190,814.37 and 42,969.97

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Solution

The fourth proportional to 127,209.57, 190,814.37 and 42,969.97 is: 64,454.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,209.57 : 190,814.37 = 42,969.97 : x
  2. Step 2: Convert to fraction form
    127,209.57/190,814.37 = 42,969.97/x
  3. Step 3: Cross multiply
    127,209.57x = 190,814.37 × 42,969.97
  4. Step 4: Simplify right side
    127,209.57x = 8,199,287,754.47
  5. Step 5: Solve for x
    x = 8,199,287,754.47/127,209.57
  6. Step 6: Final answer
    x = 64,454.96

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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.