Home / 319,211.74-440,513.54-175,968.64

Finding the Fourth Proportional to 319,211.74, 440,513.54 and 175,968.64

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Solution

The fourth proportional to 319,211.74, 440,513.54 and 175,968.64 is: 242,837.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,211.74 : 440,513.54 = 175,968.64 : x
  2. Step 2: Convert to fraction form
    319,211.74/440,513.54 = 175,968.64/x
  3. Step 3: Cross multiply
    319,211.74x = 440,513.54 × 175,968.64
  4. Step 4: Simplify right side
    319,211.74x = 77,516,568,535.39
  5. Step 5: Solve for x
    x = 77,516,568,535.39/319,211.74
  6. Step 6: Final answer
    x = 242,837.46

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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.