Home / 131,886.08-197,814.48-37,119.28

Finding the Fourth Proportional to 131,886.08, 197,814.48 and 37,119.28

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Solution

The fourth proportional to 131,886.08, 197,814.48 and 37,119.28 is: 55,674.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,886.08 : 197,814.48 = 37,119.28 : x
  2. Step 2: Convert to fraction form
    131,886.08/197,814.48 = 37,119.28/x
  3. Step 3: Cross multiply
    131,886.08x = 197,814.48 × 37,119.28
  4. Step 4: Simplify right side
    131,886.08x = 7,342,731,071.17
  5. Step 5: Solve for x
    x = 7,342,731,071.17/131,886.08
  6. Step 6: Final answer
    x = 55,674.80

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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.