Home / 319,023.84-440,272.56-175,783.85

Finding the Fourth Proportional to 319,023.84, 440,272.56 and 175,783.85

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Solution

The fourth proportional to 319,023.84, 440,272.56 and 175,783.85 is: 242,592.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,023.84 : 440,272.56 = 175,783.85 : x
  2. Step 2: Convert to fraction form
    319,023.84/440,272.56 = 175,783.85/x
  3. Step 3: Cross multiply
    319,023.84x = 440,272.56 × 175,783.85
  4. Step 4: Simplify right side
    319,023.84x = 77,392,803,444.79
  5. Step 5: Solve for x
    x = 77,392,803,444.79/319,023.84
  6. Step 6: Final answer
    x = 242,592.54

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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.