Home / 127,078.20-190,617.30-119,302.20

Finding the Fourth Proportional to 127,078.20, 190,617.30 and 119,302.20

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Solution

The fourth proportional to 127,078.20, 190,617.30 and 119,302.20 is: 178,953.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,078.20 : 190,617.30 = 119,302.20 : x
  2. Step 2: Convert to fraction form
    127,078.20/190,617.30 = 119,302.20/x
  3. Step 3: Cross multiply
    127,078.20x = 190,617.30 × 119,302.20
  4. Step 4: Simplify right side
    127,078.20x = 22,741,063,248.06
  5. Step 5: Solve for x
    x = 22,741,063,248.06/127,078.20
  6. Step 6: Final answer
    x = 178,953.30

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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.