Home / 319,200.43-440,491.08-175,973.80

Finding the Fourth Proportional to 319,200.43, 440,491.08 and 175,973.80

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Solution

The fourth proportional to 319,200.43, 440,491.08 and 175,973.80 is: 242,840.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,200.43 : 440,491.08 = 175,973.80 : x
  2. Step 2: Convert to fraction form
    319,200.43/440,491.08 = 175,973.80/x
  3. Step 3: Cross multiply
    319,200.43x = 440,491.08 × 175,973.80
  4. Step 4: Simplify right side
    319,200.43x = 77,514,889,213.70
  5. Step 5: Solve for x
    x = 77,514,889,213.70/319,200.43
  6. Step 6: Final answer
    x = 242,840.80

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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.