Home / 127,124.12-190,873.56-71,074.10

Finding the Fourth Proportional to 127,124.12, 190,873.56 and 71,074.10

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Solution

The fourth proportional to 127,124.12, 190,873.56 and 71,074.10 is: 106,715.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,124.12 : 190,873.56 = 71,074.10 : x
  2. Step 2: Convert to fraction form
    127,124.12/190,873.56 = 71,074.10/x
  3. Step 3: Cross multiply
    127,124.12x = 190,873.56 × 71,074.10
  4. Step 4: Simplify right side
    127,124.12x = 13,566,166,490.80
  5. Step 5: Solve for x
    x = 13,566,166,490.80/127,124.12
  6. Step 6: Final answer
    x = 106,715.91

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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.