Home / 130,342.34-179,876.22-73,752.50

Finding the Fourth Proportional to 130,342.34, 179,876.22 and 73,752.50

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Solution

The fourth proportional to 130,342.34, 179,876.22 and 73,752.50 is: 101,780.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,342.34 : 179,876.22 = 73,752.50 : x
  2. Step 2: Convert to fraction form
    130,342.34/179,876.22 = 73,752.50/x
  3. Step 3: Cross multiply
    130,342.34x = 179,876.22 × 73,752.50
  4. Step 4: Simplify right side
    130,342.34x = 13,266,320,915.55
  5. Step 5: Solve for x
    x = 13,266,320,915.55/130,342.34
  6. Step 6: Final answer
    x = 101,780.59

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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.