Home / 104,724.32-157,184.88-54,840.20

Finding the Fourth Proportional to 104,724.32, 157,184.88 and 54,840.20

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Solution

The fourth proportional to 104,724.32, 157,184.88 and 54,840.20 is: 82,311.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,724.32 : 157,184.88 = 54,840.20 : x
  2. Step 2: Convert to fraction form
    104,724.32/157,184.88 = 54,840.20/x
  3. Step 3: Cross multiply
    104,724.32x = 157,184.88 × 54,840.20
  4. Step 4: Simplify right side
    104,724.32x = 8,620,050,256.18
  5. Step 5: Solve for x
    x = 8,620,050,256.18/104,724.32
  6. Step 6: Final answer
    x = 82,311.83

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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.