Home / 157,016.72-235,501.86-51,836.60

Finding the Fourth Proportional to 157,016.72, 235,501.86 and 51,836.60

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Solution

The fourth proportional to 157,016.72, 235,501.86 and 51,836.60 is: 77,747.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,016.72 : 235,501.86 = 51,836.60 : x
  2. Step 2: Convert to fraction form
    157,016.72/235,501.86 = 51,836.60/x
  3. Step 3: Cross multiply
    157,016.72x = 235,501.86 × 51,836.60
  4. Step 4: Simplify right side
    157,016.72x = 12,207,615,716.08
  5. Step 5: Solve for x
    x = 12,207,615,716.08/157,016.72
  6. Step 6: Final answer
    x = 77,747.23

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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.