Home / 319,291.86-440,621.96-176,054.16

Finding the Fourth Proportional to 319,291.86, 440,621.96 and 176,054.16

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Solution

The fourth proportional to 319,291.86, 440,621.96 and 176,054.16 is: 242,954.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,291.86 : 440,621.96 = 176,054.16 : x
  2. Step 2: Convert to fraction form
    319,291.86/440,621.96 = 176,054.16/x
  3. Step 3: Cross multiply
    319,291.86x = 440,621.96 × 176,054.16
  4. Step 4: Simplify right side
    319,291.86x = 77,573,329,045.35
  5. Step 5: Solve for x
    x = 77,573,329,045.35/319,291.86
  6. Step 6: Final answer
    x = 242,954.30

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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.