Home / 179,788.80-248,109.60-99,218.40

Finding the Fourth Proportional to 179,788.80, 248,109.60 and 99,218.40

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Solution

The fourth proportional to 179,788.80, 248,109.60 and 99,218.40 is: 136,921.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,788.80 : 248,109.60 = 99,218.40 : x
  2. Step 2: Convert to fraction form
    179,788.80/248,109.60 = 99,218.40/x
  3. Step 3: Cross multiply
    179,788.80x = 248,109.60 × 99,218.40
  4. Step 4: Simplify right side
    179,788.80x = 24,617,037,536.64
  5. Step 5: Solve for x
    x = 24,617,037,536.64/179,788.80
  6. Step 6: Final answer
    x = 136,921.97

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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.