Home / 238,538.20-329,213.86-153,901.48

Finding the Fourth Proportional to 238,538.20, 329,213.86 and 153,901.48

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Solution

The fourth proportional to 238,538.20, 329,213.86 and 153,901.48 is: 212,404.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,538.20 : 329,213.86 = 153,901.48 : x
  2. Step 2: Convert to fraction form
    238,538.20/329,213.86 = 153,901.48/x
  3. Step 3: Cross multiply
    238,538.20x = 329,213.86 × 153,901.48
  4. Step 4: Simplify right side
    238,538.20x = 50,666,500,290.51
  5. Step 5: Solve for x
    x = 50,666,500,290.51/238,538.20
  6. Step 6: Final answer
    x = 212,404.14

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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.