Home / 179,295.80-247,426.20-98,721.68

Finding the Fourth Proportional to 179,295.80, 247,426.20 and 98,721.68

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Solution

The fourth proportional to 179,295.80, 247,426.20 and 98,721.68 is: 136,234.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,295.80 : 247,426.20 = 98,721.68 : x
  2. Step 2: Convert to fraction form
    179,295.80/247,426.20 = 98,721.68/x
  3. Step 3: Cross multiply
    179,295.80x = 247,426.20 × 98,721.68
  4. Step 4: Simplify right side
    179,295.80x = 24,426,330,140.02
  5. Step 5: Solve for x
    x = 24,426,330,140.02/179,295.80
  6. Step 6: Final answer
    x = 136,234.81

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1.5x scale

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.