Home / 120,724.60-181,086.90-95,841.40

Finding the Fourth Proportional to 120,724.60, 181,086.90 and 95,841.40

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Solution

The fourth proportional to 120,724.60, 181,086.90 and 95,841.40 is: 143,762.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,724.60 : 181,086.90 = 95,841.40 : x
  2. Step 2: Convert to fraction form
    120,724.60/181,086.90 = 95,841.40/x
  3. Step 3: Cross multiply
    120,724.60x = 181,086.90 × 95,841.40
  4. Step 4: Simplify right side
    120,724.60x = 17,355,622,017.66
  5. Step 5: Solve for x
    x = 17,355,622,017.66/120,724.60
  6. Step 6: Final answer
    x = 143,762.10

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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.