Home / 319,023.53-440,272.12-175,783.53

Finding the Fourth Proportional to 319,023.53, 440,272.12 and 175,783.53

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Solution

The fourth proportional to 319,023.53, 440,272.12 and 175,783.53 is: 242,592.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,023.53 : 440,272.12 = 175,783.53 : x
  2. Step 2: Convert to fraction form
    319,023.53/440,272.12 = 175,783.53/x
  3. Step 3: Cross multiply
    319,023.53x = 440,272.12 × 175,783.53
  4. Step 4: Simplify right side
    319,023.53x = 77,392,587,414.18
  5. Step 5: Solve for x
    x = 77,392,587,414.18/319,023.53
  6. Step 6: Final answer
    x = 242,592.10

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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.