Home / 231,740.33-348,192.81-147,538.08

Finding the Fourth Proportional to 231,740.33, 348,192.81 and 147,538.08

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Solution

The fourth proportional to 231,740.33, 348,192.81 and 147,538.08 is: 221,677.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,740.33 : 348,192.81 = 147,538.08 : x
  2. Step 2: Convert to fraction form
    231,740.33/348,192.81 = 147,538.08/x
  3. Step 3: Cross multiply
    231,740.33x = 348,192.81 × 147,538.08
  4. Step 4: Simplify right side
    231,740.33x = 51,371,698,657.20
  5. Step 5: Solve for x
    x = 51,371,698,657.20/231,740.33
  6. Step 6: Final answer
    x = 221,677.86

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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.