Home / 319,316.10-440,659.29-176,081.22

Finding the Fourth Proportional to 319,316.10, 440,659.29 and 176,081.22

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Solution

The fourth proportional to 319,316.10, 440,659.29 and 176,081.22 is: 242,993.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,316.10 : 440,659.29 = 176,081.22 : x
  2. Step 2: Convert to fraction form
    319,316.10/440,659.29 = 176,081.22/x
  3. Step 3: Cross multiply
    319,316.10x = 440,659.29 × 176,081.22
  4. Step 4: Simplify right side
    319,316.10x = 77,591,825,387.53
  5. Step 5: Solve for x
    x = 77,591,825,387.53/319,316.10
  6. Step 6: Final answer
    x = 242,993.78

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1.5x scale

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.