Home / 238,686.12-358,029.65-61,193.76

Finding the Fourth Proportional to 238,686.12, 358,029.65 and 61,193.76

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Solution

The fourth proportional to 238,686.12, 358,029.65 and 61,193.76 is: 91,790.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,686.12 : 358,029.65 = 61,193.76 : x
  2. Step 2: Convert to fraction form
    238,686.12/358,029.65 = 61,193.76/x
  3. Step 3: Cross multiply
    238,686.12x = 358,029.65 × 61,193.76
  4. Step 4: Simplify right side
    238,686.12x = 21,909,180,169.02
  5. Step 5: Solve for x
    x = 21,909,180,169.02/238,686.12
  6. Step 6: Final answer
    x = 91,790.76

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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.