Home / 286,834.92-395,785.62-159,507.24

Finding the Fourth Proportional to 286,834.92, 395,785.62 and 159,507.24

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Solution

The fourth proportional to 286,834.92, 395,785.62 and 159,507.24 is: 220,094.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,834.92 : 395,785.62 = 159,507.24 : x
  2. Step 2: Convert to fraction form
    286,834.92/395,785.62 = 159,507.24/x
  3. Step 3: Cross multiply
    286,834.92x = 395,785.62 × 159,507.24
  4. Step 4: Simplify right side
    286,834.92x = 63,130,671,877.89
  5. Step 5: Solve for x
    x = 63,130,671,877.89/286,834.92
  6. Step 6: Final answer
    x = 220,094.09

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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.