Home / 238,966.02-329,804.59-143,478.86

Finding the Fourth Proportional to 238,966.02, 329,804.59 and 143,478.86

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Solution

The fourth proportional to 238,966.02, 329,804.59 and 143,478.86 is: 198,019.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,966.02 : 329,804.59 = 143,478.86 : x
  2. Step 2: Convert to fraction form
    238,966.02/329,804.59 = 143,478.86/x
  3. Step 3: Cross multiply
    238,966.02x = 329,804.59 × 143,478.86
  4. Step 4: Simplify right side
    238,966.02x = 47,319,987,958.52
  5. Step 5: Solve for x
    x = 47,319,987,958.52/238,966.02
  6. Step 6: Final answer
    x = 198,019.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.