Home / 127,252.20-190,878.30-117,629.40

Finding the Fourth Proportional to 127,252.20, 190,878.30 and 117,629.40

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Solution

The fourth proportional to 127,252.20, 190,878.30 and 117,629.40 is: 176,444.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,252.20 : 190,878.30 = 117,629.40 : x
  2. Step 2: Convert to fraction form
    127,252.20/190,878.30 = 117,629.40/x
  3. Step 3: Cross multiply
    127,252.20x = 190,878.30 × 117,629.40
  4. Step 4: Simplify right side
    127,252.20x = 22,452,899,902.02
  5. Step 5: Solve for x
    x = 22,452,899,902.02/127,252.20
  6. Step 6: Final answer
    x = 176,444.10

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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.