Home / 238,071.48-328,538.46-136,099.20

Finding the Fourth Proportional to 238,071.48, 328,538.46 and 136,099.20

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Solution

The fourth proportional to 238,071.48, 328,538.46 and 136,099.20 is: 187,816.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,071.48 : 328,538.46 = 136,099.20 : x
  2. Step 2: Convert to fraction form
    238,071.48/328,538.46 = 136,099.20/x
  3. Step 3: Cross multiply
    238,071.48x = 328,538.46 × 136,099.20
  4. Step 4: Simplify right side
    238,071.48x = 44,713,821,575.23
  5. Step 5: Solve for x
    x = 44,713,821,575.23/238,071.48
  6. Step 6: Final answer
    x = 187,816.79

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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.