Home / 319,133.69-440,407.56-175,899.23

Finding the Fourth Proportional to 319,133.69, 440,407.56 and 175,899.23

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Solution

The fourth proportional to 319,133.69, 440,407.56 and 175,899.23 is: 242,742.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,133.69 : 440,407.56 = 175,899.23 : x
  2. Step 2: Convert to fraction form
    319,133.69/440,407.56 = 175,899.23/x
  3. Step 3: Cross multiply
    319,133.69x = 440,407.56 × 175,899.23
  4. Step 4: Simplify right side
    319,133.69x = 77,467,348,488.14
  5. Step 5: Solve for x
    x = 77,467,348,488.14/319,133.69
  6. Step 6: Final answer
    x = 242,742.63

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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.