Home / 180,223.06-248,697.78-99,645.74

Finding the Fourth Proportional to 180,223.06, 248,697.78 and 99,645.74

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Solution

The fourth proportional to 180,223.06, 248,697.78 and 99,645.74 is: 137,505.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,223.06 : 248,697.78 = 99,645.74 : x
  2. Step 2: Convert to fraction form
    180,223.06/248,697.78 = 99,645.74/x
  3. Step 3: Cross multiply
    180,223.06x = 248,697.78 × 99,645.74
  4. Step 4: Simplify right side
    180,223.06x = 24,781,674,324.46
  5. Step 5: Solve for x
    x = 24,781,674,324.46/180,223.06
  6. Step 6: Final answer
    x = 137,505.57

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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.