Home / 127,214.46-190,843.65-42,975.23

Finding the Fourth Proportional to 127,214.46, 190,843.65 and 42,975.23

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Solution

The fourth proportional to 127,214.46, 190,843.65 and 42,975.23 is: 64,470.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,214.46 : 190,843.65 = 42,975.23 : x
  2. Step 2: Convert to fraction form
    127,214.46/190,843.65 = 42,975.23/x
  3. Step 3: Cross multiply
    127,214.46x = 190,843.65 × 42,975.23
  4. Step 4: Simplify right side
    127,214.46x = 8,201,548,798.57
  5. Step 5: Solve for x
    x = 8,201,548,798.57/127,214.46
  6. Step 6: Final answer
    x = 64,470.26

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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.