Home / 171,505.24-236,684.52-99,873.72

Finding the Fourth Proportional to 171,505.24, 236,684.52 and 99,873.72

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Solution

The fourth proportional to 171,505.24, 236,684.52 and 99,873.72 is: 137,829.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,505.24 : 236,684.52 = 99,873.72 : x
  2. Step 2: Convert to fraction form
    171,505.24/236,684.52 = 99,873.72/x
  3. Step 3: Cross multiply
    171,505.24x = 236,684.52 × 99,873.72
  4. Step 4: Simplify right side
    171,505.24x = 23,638,563,478.81
  5. Step 5: Solve for x
    x = 23,638,563,478.81/171,505.24
  6. Step 6: Final answer
    x = 137,829.98

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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.