Home / 238,333.17-328,902.48-130,905.72

Finding the Fourth Proportional to 238,333.17, 328,902.48 and 130,905.72

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Solution

The fourth proportional to 238,333.17, 328,902.48 and 130,905.72 is: 180,651.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,333.17 : 328,902.48 = 130,905.72 : x
  2. Step 2: Convert to fraction form
    238,333.17/328,902.48 = 130,905.72/x
  3. Step 3: Cross multiply
    238,333.17x = 328,902.48 × 130,905.72
  4. Step 4: Simplify right side
    238,333.17x = 43,055,215,954.19
  5. Step 5: Solve for x
    x = 43,055,215,954.19/238,333.17
  6. Step 6: Final answer
    x = 180,651.38

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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.