Home / 238,860.55-358,233.18-70,335.06

Finding the Fourth Proportional to 238,860.55, 358,233.18 and 70,335.06

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Solution

The fourth proportional to 238,860.55, 358,233.18 and 70,335.06 is: 105,485.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,860.55 : 358,233.18 = 70,335.06 : x
  2. Step 2: Convert to fraction form
    238,860.55/358,233.18 = 70,335.06/x
  3. Step 3: Cross multiply
    238,860.55x = 358,233.18 × 70,335.06
  4. Step 4: Simplify right side
    238,860.55x = 25,196,352,209.29
  5. Step 5: Solve for x
    x = 25,196,352,209.29/238,860.55
  6. Step 6: Final answer
    x = 105,485.62

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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.