Home / 127,977.56-191,966.36-65,608.28

Finding the Fourth Proportional to 127,977.56, 191,966.36 and 65,608.28

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Solution

The fourth proportional to 127,977.56, 191,966.36 and 65,608.28 is: 98,412.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,977.56 : 191,966.36 = 65,608.28 : x
  2. Step 2: Convert to fraction form
    127,977.56/191,966.36 = 65,608.28/x
  3. Step 3: Cross multiply
    127,977.56x = 191,966.36 × 65,608.28
  4. Step 4: Simplify right side
    127,977.56x = 12,594,582,697.46
  5. Step 5: Solve for x
    x = 12,594,582,697.46/127,977.56
  6. Step 6: Final answer
    x = 98,412.43

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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.