Home / 127,246.60-190,869.90-114,999.40

Finding the Fourth Proportional to 127,246.60, 190,869.90 and 114,999.40

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Solution

The fourth proportional to 127,246.60, 190,869.90 and 114,999.40 is: 172,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,246.60 : 190,869.90 = 114,999.40 : x
  2. Step 2: Convert to fraction form
    127,246.60/190,869.90 = 114,999.40/x
  3. Step 3: Cross multiply
    127,246.60x = 190,869.90 × 114,999.40
  4. Step 4: Simplify right side
    127,246.60x = 21,949,923,978.06
  5. Step 5: Solve for x
    x = 21,949,923,978.06/127,246.60
  6. Step 6: Final answer
    x = 172,499.10

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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.