Home / 157,745.72-235,899.86-117,792.76

Finding the Fourth Proportional to 157,745.72, 235,899.86 and 117,792.76

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Solution

The fourth proportional to 157,745.72, 235,899.86 and 117,792.76 is: 176,152.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,745.72 : 235,899.86 = 117,792.76 : x
  2. Step 2: Convert to fraction form
    157,745.72/235,899.86 = 117,792.76/x
  3. Step 3: Cross multiply
    157,745.72x = 235,899.86 × 117,792.76
  4. Step 4: Simplify right side
    157,745.72x = 27,787,295,593.01
  5. Step 5: Solve for x
    x = 27,787,295,593.01/157,745.72
  6. Step 6: Final answer
    x = 176,152.45

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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.