Home / 179,487.79-247,698.34-98,920.50

Finding the Fourth Proportional to 179,487.79, 247,698.34 and 98,920.50

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Solution

The fourth proportional to 179,487.79, 247,698.34 and 98,920.50 is: 136,513.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,487.79 : 247,698.34 = 98,920.50 : x
  2. Step 2: Convert to fraction form
    179,487.79/247,698.34 = 98,920.50/x
  3. Step 3: Cross multiply
    179,487.79x = 247,698.34 × 98,920.50
  4. Step 4: Simplify right side
    179,487.79x = 24,502,443,147.37
  5. Step 5: Solve for x
    x = 24,502,443,147.37/179,487.79
  6. Step 6: Final answer
    x = 136,513.15

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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.