Home / 319,213.55-440,511.81-175,973.60

Finding the Fourth Proportional to 319,213.55, 440,511.81 and 175,973.60

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Solution

The fourth proportional to 319,213.55, 440,511.81 and 175,973.60 is: 242,841.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,213.55 : 440,511.81 = 175,973.60 : x
  2. Step 2: Convert to fraction form
    319,213.55/440,511.81 = 175,973.60/x
  3. Step 3: Cross multiply
    319,213.55x = 440,511.81 × 175,973.60
  4. Step 4: Simplify right side
    319,213.55x = 77,518,449,048.22
  5. Step 5: Solve for x
    x = 77,518,449,048.22/319,213.55
  6. Step 6: Final answer
    x = 242,841.98

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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.