Home / 126,877.55-175,051.23-73,155.29

Finding the Fourth Proportional to 126,877.55, 175,051.23 and 73,155.29

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Solution

The fourth proportional to 126,877.55, 175,051.23 and 73,155.29 is: 100,931.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,877.55 : 175,051.23 = 73,155.29 : x
  2. Step 2: Convert to fraction form
    126,877.55/175,051.23 = 73,155.29/x
  3. Step 3: Cross multiply
    126,877.55x = 175,051.23 × 73,155.29
  4. Step 4: Simplify right side
    126,877.55x = 12,805,923,495.51
  5. Step 5: Solve for x
    x = 12,805,923,495.51/126,877.55
  6. Step 6: Final answer
    x = 100,931.36

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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.