Home / 319,276.76-440,621.78-176,036.58

Finding the Fourth Proportional to 319,276.76, 440,621.78 and 176,036.58

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Solution

The fourth proportional to 319,276.76, 440,621.78 and 176,036.58 is: 242,941.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,276.76 : 440,621.78 = 176,036.58 : x
  2. Step 2: Convert to fraction form
    319,276.76/440,621.78 = 176,036.58/x
  3. Step 3: Cross multiply
    319,276.76x = 440,621.78 × 176,036.58
  4. Step 4: Simplify right side
    319,276.76x = 77,565,550,344.53
  5. Step 5: Solve for x
    x = 77,565,550,344.53/319,276.76
  6. Step 6: Final answer
    x = 242,941.43

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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.