Home / 104,560.56-156,752.66-45,351.63

Finding the Fourth Proportional to 104,560.56, 156,752.66 and 45,351.63

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Solution

The fourth proportional to 104,560.56, 156,752.66 and 45,351.63 is: 67,989.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,560.56 : 156,752.66 = 45,351.63 : x
  2. Step 2: Convert to fraction form
    104,560.56/156,752.66 = 45,351.63/x
  3. Step 3: Cross multiply
    104,560.56x = 156,752.66 × 45,351.63
  4. Step 4: Simplify right side
    104,560.56x = 7,108,988,637.84
  5. Step 5: Solve for x
    x = 7,108,988,637.84/104,560.56
  6. Step 6: Final answer
    x = 67,989.20

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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.