Home / 179,840.24-248,179.55-99,267.78

Finding the Fourth Proportional to 179,840.24, 248,179.55 and 99,267.78

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Solution

The fourth proportional to 179,840.24, 248,179.55 and 99,267.78 is: 136,989.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,840.24 : 248,179.55 = 99,267.78 : x
  2. Step 2: Convert to fraction form
    179,840.24/248,179.55 = 99,267.78/x
  3. Step 3: Cross multiply
    179,840.24x = 248,179.55 × 99,267.78
  4. Step 4: Simplify right side
    179,840.24x = 24,636,232,969.90
  5. Step 5: Solve for x
    x = 24,636,232,969.90/179,840.24
  6. Step 6: Final answer
    x = 136,989.55

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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.