Home / 127,246.10-190,869.15-117,623.30

Finding the Fourth Proportional to 127,246.10, 190,869.15 and 117,623.30

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Solution

The fourth proportional to 127,246.10, 190,869.15 and 117,623.30 is: 176,434.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,246.10 : 190,869.15 = 117,623.30 : x
  2. Step 2: Convert to fraction form
    127,246.10/190,869.15 = 117,623.30/x
  3. Step 3: Cross multiply
    127,246.10x = 190,869.15 × 117,623.30
  4. Step 4: Simplify right side
    127,246.10x = 22,450,659,291.20
  5. Step 5: Solve for x
    x = 22,450,659,291.20/127,246.10
  6. Step 6: Final answer
    x = 176,434.95

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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.