Home / 117,125.86-161,631.76-63,410.38

Finding the Fourth Proportional to 117,125.86, 161,631.76 and 63,410.38

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Solution

The fourth proportional to 117,125.86, 161,631.76 and 63,410.38 is: 87,505.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,125.86 : 161,631.76 = 63,410.38 : x
  2. Step 2: Convert to fraction form
    117,125.86/161,631.76 = 63,410.38/x
  3. Step 3: Cross multiply
    117,125.86x = 161,631.76 × 63,410.38
  4. Step 4: Simplify right side
    117,125.86x = 10,249,131,321.67
  5. Step 5: Solve for x
    x = 10,249,131,321.67/117,125.86
  6. Step 6: Final answer
    x = 87,505.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.