Home / 319,107.48-440,368.32-175,867.52

Finding the Fourth Proportional to 319,107.48, 440,368.32 and 175,867.52

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Solution

The fourth proportional to 319,107.48, 440,368.32 and 175,867.52 is: 242,697.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,107.48 : 440,368.32 = 175,867.52 : x
  2. Step 2: Convert to fraction form
    319,107.48/440,368.32 = 175,867.52/x
  3. Step 3: Cross multiply
    319,107.48x = 440,368.32 × 175,867.52
  4. Step 4: Simplify right side
    319,107.48x = 77,446,484,324.97
  5. Step 5: Solve for x
    x = 77,446,484,324.97/319,107.48
  6. Step 6: Final answer
    x = 242,697.18

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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.