Home / 215,482.76-297,365.46-119,990.60

Finding the Fourth Proportional to 215,482.76, 297,365.46 and 119,990.60

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Solution

The fourth proportional to 215,482.76, 297,365.46 and 119,990.60 is: 165,586.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,482.76 : 297,365.46 = 119,990.60 : x
  2. Step 2: Convert to fraction form
    215,482.76/297,365.46 = 119,990.60/x
  3. Step 3: Cross multiply
    215,482.76x = 297,365.46 × 119,990.60
  4. Step 4: Simplify right side
    215,482.76x = 35,681,059,964.68
  5. Step 5: Solve for x
    x = 35,681,059,964.68/215,482.76
  6. Step 6: Final answer
    x = 165,586.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.