Home / 424,921.14-637,383.27-158,678.82

Finding the Fourth Proportional to 424,921.14, 637,383.27 and 158,678.82

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Solution

The fourth proportional to 424,921.14, 637,383.27 and 158,678.82 is: 238,018.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,921.14 : 637,383.27 = 158,678.82 : x
  2. Step 2: Convert to fraction form
    424,921.14/637,383.27 = 158,678.82/x
  3. Step 3: Cross multiply
    424,921.14x = 637,383.27 × 158,678.82
  4. Step 4: Simplify right side
    424,921.14x = 101,139,225,171.34
  5. Step 5: Solve for x
    x = 101,139,225,171.34/424,921.14
  6. Step 6: Final answer
    x = 238,018.81

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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.