Home / 179,728.40-248,023.49-99,156.58

Finding the Fourth Proportional to 179,728.40, 248,023.49 and 99,156.58

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Solution

The fourth proportional to 179,728.40, 248,023.49 and 99,156.58 is: 136,835.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,728.40 : 248,023.49 = 99,156.58 : x
  2. Step 2: Convert to fraction form
    179,728.40/248,023.49 = 99,156.58/x
  3. Step 3: Cross multiply
    179,728.40x = 248,023.49 × 99,156.58
  4. Step 4: Simplify right side
    179,728.40x = 24,593,159,912.22
  5. Step 5: Solve for x
    x = 24,593,159,912.22/179,728.40
  6. Step 6: Final answer
    x = 136,835.13

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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.