Home / 238,528.05-329,174.75-131,100.81

Finding the Fourth Proportional to 238,528.05, 329,174.75 and 131,100.81

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Solution

The fourth proportional to 238,528.05, 329,174.75 and 131,100.81 is: 180,922.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,528.05 : 329,174.75 = 131,100.81 : x
  2. Step 2: Convert to fraction form
    238,528.05/329,174.75 = 131,100.81/x
  3. Step 3: Cross multiply
    238,528.05x = 329,174.75 × 131,100.81
  4. Step 4: Simplify right side
    238,528.05x = 43,155,075,701.04
  5. Step 5: Solve for x
    x = 43,155,075,701.04/238,528.05
  6. Step 6: Final answer
    x = 180,922.44

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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.