Home / 127,246.10-190,869.15-123,965.60

Finding the Fourth Proportional to 127,246.10, 190,869.15 and 123,965.60

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Solution

The fourth proportional to 127,246.10, 190,869.15 and 123,965.60 is: 185,948.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,246.10 : 190,869.15 = 123,965.60 : x
  2. Step 2: Convert to fraction form
    127,246.10/190,869.15 = 123,965.60/x
  3. Step 3: Cross multiply
    127,246.10x = 190,869.15 × 123,965.60
  4. Step 4: Simplify right side
    127,246.10x = 23,661,208,701.24
  5. Step 5: Solve for x
    x = 23,661,208,701.24/127,246.10
  6. Step 6: Final answer
    x = 185,948.40

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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.