Home / 127,349.12-190,958-57,168.24

Finding the Fourth Proportional to 127,349.12, 190,958 and 57,168.24

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Solution

The fourth proportional to 127,349.12, 190,958 and 57,168.24 is: 85,722.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,349.12 : 190,958 = 57,168.24 : x
  2. Step 2: Convert to fraction form
    127,349.12/190,958 = 57,168.24/x
  3. Step 3: Cross multiply
    127,349.12x = 190,958 × 57,168.24
  4. Step 4: Simplify right side
    127,349.12x = 10,916,732,773.92
  5. Step 5: Solve for x
    x = 10,916,732,773.92/127,349.12
  6. Step 6: Final answer
    x = 85,722.88

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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.