Home / 319,222.26-440,529.57-175,987.35

Finding the Fourth Proportional to 319,222.26, 440,529.57 and 175,987.35

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Solution

The fourth proportional to 319,222.26, 440,529.57 and 175,987.35 is: 242,864.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,222.26 : 440,529.57 = 175,987.35 : x
  2. Step 2: Convert to fraction form
    319,222.26/440,529.57 = 175,987.35/x
  3. Step 3: Cross multiply
    319,222.26x = 440,529.57 × 175,987.35
  4. Step 4: Simplify right side
    319,222.26x = 77,527,631,620.94
  5. Step 5: Solve for x
    x = 77,527,631,620.94/319,222.26
  6. Step 6: Final answer
    x = 242,864.11

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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.