Home / 319,316.60-440,659.98-176,081.72

Finding the Fourth Proportional to 319,316.60, 440,659.98 and 176,081.72

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Solution

The fourth proportional to 319,316.60, 440,659.98 and 176,081.72 is: 242,994.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,316.60 : 440,659.98 = 176,081.72 : x
  2. Step 2: Convert to fraction form
    319,316.60/440,659.98 = 176,081.72/x
  3. Step 3: Cross multiply
    319,316.60x = 440,659.98 × 176,081.72
  4. Step 4: Simplify right side
    319,316.60x = 77,592,167,213.57
  5. Step 5: Solve for x
    x = 77,592,167,213.57/319,316.60
  6. Step 6: Final answer
    x = 242,994.47

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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.