Home / 127,360.03-190,956.21-71,282.92

Finding the Fourth Proportional to 127,360.03, 190,956.21 and 71,282.92

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Solution

The fourth proportional to 127,360.03, 190,956.21 and 71,282.92 is: 106,877.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,360.03 : 190,956.21 = 71,282.92 : x
  2. Step 2: Convert to fraction form
    127,360.03/190,956.21 = 71,282.92/x
  3. Step 3: Cross multiply
    127,360.03x = 190,956.21 × 71,282.92
  4. Step 4: Simplify right side
    127,360.03x = 13,611,916,240.93
  5. Step 5: Solve for x
    x = 13,611,916,240.93/127,360.03
  6. Step 6: Final answer
    x = 106,877.46

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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.