Home / 319,228.17-440,538.26-175,993.35

Finding the Fourth Proportional to 319,228.17, 440,538.26 and 175,993.35

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Solution

The fourth proportional to 319,228.17, 440,538.26 and 175,993.35 is: 242,872.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,228.17 : 440,538.26 = 175,993.35 : x
  2. Step 2: Convert to fraction form
    319,228.17/440,538.26 = 175,993.35/x
  3. Step 3: Cross multiply
    319,228.17x = 440,538.26 × 175,993.35
  4. Step 4: Simplify right side
    319,228.17x = 77,531,804,180.57
  5. Step 5: Solve for x
    x = 77,531,804,180.57/319,228.17
  6. Step 6: Final answer
    x = 242,872.69

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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.