Home / 215,028.42-296,746.83-118,239.62

Finding the Fourth Proportional to 215,028.42, 296,746.83 and 118,239.62

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Solution

The fourth proportional to 215,028.42, 296,746.83 and 118,239.62 is: 163,174.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,028.42 : 296,746.83 = 118,239.62 : x
  2. Step 2: Convert to fraction form
    215,028.42/296,746.83 = 118,239.62/x
  3. Step 3: Cross multiply
    215,028.42x = 296,746.83 × 118,239.62
  4. Step 4: Simplify right side
    215,028.42x = 35,087,230,931.67
  5. Step 5: Solve for x
    x = 35,087,230,931.67/215,028.42
  6. Step 6: Final answer
    x = 163,174.86

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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.