Home / 231,875.75-319,828.46-163,111.00

Finding the Fourth Proportional to 231,875.75, 319,828.46 and 163,111.00

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Solution

The fourth proportional to 231,875.75, 319,828.46 and 163,111.00 is: 224,980.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,875.75 : 319,828.46 = 163,111.00 : x
  2. Step 2: Convert to fraction form
    231,875.75/319,828.46 = 163,111.00/x
  3. Step 3: Cross multiply
    231,875.75x = 319,828.46 × 163,111.00
  4. Step 4: Simplify right side
    231,875.75x = 52,167,538,731.71
  5. Step 5: Solve for x
    x = 52,167,538,731.71/231,875.75
  6. Step 6: Final answer
    x = 224,980.58

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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.