Home / 127,439.84-190,900.56-64,220.96

Finding the Fourth Proportional to 127,439.84, 190,900.56 and 64,220.96

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Solution

The fourth proportional to 127,439.84, 190,900.56 and 64,220.96 is: 96,200.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,439.84 : 190,900.56 = 64,220.96 : x
  2. Step 2: Convert to fraction form
    127,439.84/190,900.56 = 64,220.96/x
  3. Step 3: Cross multiply
    127,439.84x = 190,900.56 × 64,220.96
  4. Step 4: Simplify right side
    127,439.84x = 12,259,817,227.74
  5. Step 5: Solve for x
    x = 12,259,817,227.74/127,439.84
  6. Step 6: Final answer
    x = 96,200.82

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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.