Home / 238,813.51-358,220.20-163,705.95

Finding the Fourth Proportional to 238,813.51, 358,220.20 and 163,705.95

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Solution

The fourth proportional to 238,813.51, 358,220.20 and 163,705.95 is: 245,558.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,813.51 : 358,220.20 = 163,705.95 : x
  2. Step 2: Convert to fraction form
    238,813.51/358,220.20 = 163,705.95/x
  3. Step 3: Cross multiply
    238,813.51x = 358,220.20 × 163,705.95
  4. Step 4: Simplify right side
    238,813.51x = 58,642,778,354.82
  5. Step 5: Solve for x
    x = 58,642,778,354.82/238,813.51
  6. Step 6: Final answer
    x = 245,558.88

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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.