Home / 126,911.34-175,156.02-73,185.66

Finding the Fourth Proportional to 126,911.34, 175,156.02 and 73,185.66

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Solution

The fourth proportional to 126,911.34, 175,156.02 and 73,185.66 is: 101,006.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,911.34 : 175,156.02 = 73,185.66 : x
  2. Step 2: Convert to fraction form
    126,911.34/175,156.02 = 73,185.66/x
  3. Step 3: Cross multiply
    126,911.34x = 175,156.02 × 73,185.66
  4. Step 4: Simplify right side
    126,911.34x = 12,818,908,926.67
  5. Step 5: Solve for x
    x = 12,818,908,926.67/126,911.34
  6. Step 6: Final answer
    x = 101,006.80

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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.