Home / 238,595.80-329,249.54-131,145.16

Finding the Fourth Proportional to 238,595.80, 329,249.54 and 131,145.16

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Solution

The fourth proportional to 238,595.80, 329,249.54 and 131,145.16 is: 180,973.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,595.80 : 329,249.54 = 131,145.16 : x
  2. Step 2: Convert to fraction form
    238,595.80/329,249.54 = 131,145.16/x
  3. Step 3: Cross multiply
    238,595.80x = 329,249.54 × 131,145.16
  4. Step 4: Simplify right side
    238,595.80x = 43,179,483,603.23
  5. Step 5: Solve for x
    x = 43,179,483,603.23/238,595.80
  6. Step 6: Final answer
    x = 180,973.36

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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.