Home / 215,449.32-297,322.11-119,958.06

Finding the Fourth Proportional to 215,449.32, 297,322.11 and 119,958.06

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Solution

The fourth proportional to 215,449.32, 297,322.11 and 119,958.06 is: 165,543.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,449.32 : 297,322.11 = 119,958.06 : x
  2. Step 2: Convert to fraction form
    215,449.32/297,322.11 = 119,958.06/x
  3. Step 3: Cross multiply
    215,449.32x = 297,322.11 × 119,958.06
  4. Step 4: Simplify right side
    215,449.32x = 35,666,183,510.71
  5. Step 5: Solve for x
    x = 35,666,183,510.71/215,449.32
  6. Step 6: Final answer
    x = 165,543.26

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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.