Home / 238,934.36-358,622.94-120,688.58

Finding the Fourth Proportional to 238,934.36, 358,622.94 and 120,688.58

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Solution

The fourth proportional to 238,934.36, 358,622.94 and 120,688.58 is: 181,144.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,934.36 : 358,622.94 = 120,688.58 : x
  2. Step 2: Convert to fraction form
    238,934.36/358,622.94 = 120,688.58/x
  3. Step 3: Cross multiply
    238,934.36x = 358,622.94 × 120,688.58
  4. Step 4: Simplify right side
    238,934.36x = 43,281,693,384.03
  5. Step 5: Solve for x
    x = 43,281,693,384.03/238,934.36
  6. Step 6: Final answer
    x = 181,144.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.