Home / 127,680.28-191,489.66-56,563.62

Finding the Fourth Proportional to 127,680.28, 191,489.66 and 56,563.62

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Solution

The fourth proportional to 127,680.28, 191,489.66 and 56,563.62 is: 84,831.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,680.28 : 191,489.66 = 56,563.62 : x
  2. Step 2: Convert to fraction form
    127,680.28/191,489.66 = 56,563.62/x
  3. Step 3: Cross multiply
    127,680.28x = 191,489.66 × 56,563.62
  4. Step 4: Simplify right side
    127,680.28x = 10,831,348,362.17
  5. Step 5: Solve for x
    x = 10,831,348,362.17/127,680.28
  6. Step 6: Final answer
    x = 84,831.80

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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.