Home / 319,134.12-440,402.88-175,894.24

Finding the Fourth Proportional to 319,134.12, 440,402.88 and 175,894.24

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Solution

The fourth proportional to 319,134.12, 440,402.88 and 175,894.24 is: 242,732.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,134.12 : 440,402.88 = 175,894.24 : x
  2. Step 2: Convert to fraction form
    319,134.12/440,402.88 = 175,894.24/x
  3. Step 3: Cross multiply
    319,134.12x = 440,402.88 × 175,894.24
  4. Step 4: Simplify right side
    319,134.12x = 77,464,329,871.41
  5. Step 5: Solve for x
    x = 77,464,329,871.41/319,134.12
  6. Step 6: Final answer
    x = 242,732.84

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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.