Home / 179,296.40-247,427.06-98,721.86

Finding the Fourth Proportional to 179,296.40, 247,427.06 and 98,721.86

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Solution

The fourth proportional to 179,296.40, 247,427.06 and 98,721.86 is: 136,235.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,296.40 : 247,427.06 = 98,721.86 : x
  2. Step 2: Convert to fraction form
    179,296.40/247,427.06 = 98,721.86/x
  3. Step 3: Cross multiply
    179,296.40x = 247,427.06 × 98,721.86
  4. Step 4: Simplify right side
    179,296.40x = 24,426,457,846.79
  5. Step 5: Solve for x
    x = 24,426,457,846.79/179,296.40
  6. Step 6: Final answer
    x = 136,235.07

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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.