Home / 164,249.10-245,185.65-144,320.09

Finding the Fourth Proportional to 164,249.10, 245,185.65 and 144,320.09

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Solution

The fourth proportional to 164,249.10, 245,185.65 and 144,320.09 is: 215,436.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,249.10 : 245,185.65 = 144,320.09 : x
  2. Step 2: Convert to fraction form
    164,249.10/245,185.65 = 144,320.09/x
  3. Step 3: Cross multiply
    164,249.10x = 245,185.65 × 144,320.09
  4. Step 4: Simplify right side
    164,249.10x = 35,385,213,848.78
  5. Step 5: Solve for x
    x = 35,385,213,848.78/164,249.10
  6. Step 6: Final answer
    x = 215,436.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.