Home / 238,838.12-358,262.04-81,066.32

Finding the Fourth Proportional to 238,838.12, 358,262.04 and 81,066.32

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Solution

The fourth proportional to 238,838.12, 358,262.04 and 81,066.32 is: 121,601.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,838.12 : 358,262.04 = 81,066.32 : x
  2. Step 2: Convert to fraction form
    238,838.12/358,262.04 = 81,066.32/x
  3. Step 3: Cross multiply
    238,838.12x = 358,262.04 × 81,066.32
  4. Step 4: Simplify right side
    238,838.12x = 29,042,985,178.49
  5. Step 5: Solve for x
    x = 29,042,985,178.49/238,838.12
  6. Step 6: Final answer
    x = 121,601.13

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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.