Home / 319,091.16-440,343.54-175,851.36

Finding the Fourth Proportional to 319,091.16, 440,343.54 and 175,851.36

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Solution

The fourth proportional to 319,091.16, 440,343.54 and 175,851.36 is: 242,673.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,091.16 : 440,343.54 = 175,851.36 : x
  2. Step 2: Convert to fraction form
    319,091.16/440,343.54 = 175,851.36/x
  3. Step 3: Cross multiply
    319,091.16x = 440,343.54 × 175,851.36
  4. Step 4: Simplify right side
    319,091.16x = 77,435,010,376.21
  5. Step 5: Solve for x
    x = 77,435,010,376.21/319,091.16
  6. Step 6: Final answer
    x = 242,673.63

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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.