Home / 126,672.24-174,731.54-83,652.16

Finding the Fourth Proportional to 126,672.24, 174,731.54 and 83,652.16

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Solution

The fourth proportional to 126,672.24, 174,731.54 and 83,652.16 is: 115,389.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,672.24 : 174,731.54 = 83,652.16 : x
  2. Step 2: Convert to fraction form
    126,672.24/174,731.54 = 83,652.16/x
  3. Step 3: Cross multiply
    126,672.24x = 174,731.54 × 83,652.16
  4. Step 4: Simplify right side
    126,672.24x = 14,616,670,741.13
  5. Step 5: Solve for x
    x = 14,616,670,741.13/126,672.24
  6. Step 6: Final answer
    x = 115,389.69

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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.