Home / 131,852.72-197,812.56-38,358.38

Finding the Fourth Proportional to 131,852.72, 197,812.56 and 38,358.38

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Solution

The fourth proportional to 131,852.72, 197,812.56 and 38,358.38 is: 57,547.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,852.72 : 197,812.56 = 38,358.38 : x
  2. Step 2: Convert to fraction form
    131,852.72/197,812.56 = 38,358.38/x
  3. Step 3: Cross multiply
    131,852.72x = 197,812.56 × 38,358.38
  4. Step 4: Simplify right side
    131,852.72x = 7,587,769,345.25
  5. Step 5: Solve for x
    x = 7,587,769,345.25/131,852.72
  6. Step 6: Final answer
    x = 57,547.31

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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.