Home / 158,756.69-238,135.28-38,813.38

Finding the Fourth Proportional to 158,756.69, 238,135.28 and 38,813.38

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Solution

The fourth proportional to 158,756.69, 238,135.28 and 38,813.38 is: 58,220.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,756.69 : 238,135.28 = 38,813.38 : x
  2. Step 2: Convert to fraction form
    158,756.69/238,135.28 = 38,813.38/x
  3. Step 3: Cross multiply
    158,756.69x = 238,135.28 × 38,813.38
  4. Step 4: Simplify right side
    158,756.69x = 9,242,834,324.64
  5. Step 5: Solve for x
    x = 9,242,834,324.64/158,756.69
  6. Step 6: Final answer
    x = 58,220.12

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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.