Home / 179,649.70-247,911.23-99,077.18

Finding the Fourth Proportional to 179,649.70, 247,911.23 and 99,077.18

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Solution

The fourth proportional to 179,649.70, 247,911.23 and 99,077.18 is: 136,723.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,649.70 : 247,911.23 = 99,077.18 : x
  2. Step 2: Convert to fraction form
    179,649.70/247,911.23 = 99,077.18/x
  3. Step 3: Cross multiply
    179,649.70x = 247,911.23 × 99,077.18
  4. Step 4: Simplify right side
    179,649.70x = 24,562,344,566.87
  5. Step 5: Solve for x
    x = 24,562,344,566.87/179,649.70
  6. Step 6: Final answer
    x = 136,723.55

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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.