Home / 319,174.26-440,455-175,947.64

Finding the Fourth Proportional to 319,174.26, 440,455 and 175,947.64

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Solution

The fourth proportional to 319,174.26, 440,455 and 175,947.64 is: 242,804.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,174.26 : 440,455 = 175,947.64 : x
  2. Step 2: Convert to fraction form
    319,174.26/440,455 = 175,947.64/x
  3. Step 3: Cross multiply
    319,174.26x = 440,455 × 175,947.64
  4. Step 4: Simplify right side
    319,174.26x = 77,497,017,776.20
  5. Step 5: Solve for x
    x = 77,497,017,776.20/319,174.26
  6. Step 6: Final answer
    x = 242,804.72

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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.