Home / 319,136.12-440,405.64-175,896.24

Finding the Fourth Proportional to 319,136.12, 440,405.64 and 175,896.24

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Solution

The fourth proportional to 319,136.12, 440,405.64 and 175,896.24 is: 242,735.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,136.12 : 440,405.64 = 175,896.24 : x
  2. Step 2: Convert to fraction form
    319,136.12/440,405.64 = 175,896.24/x
  3. Step 3: Cross multiply
    319,136.12x = 440,405.64 × 175,896.24
  4. Step 4: Simplify right side
    319,136.12x = 77,465,696,150.79
  5. Step 5: Solve for x
    x = 77,465,696,150.79/319,136.12
  6. Step 6: Final answer
    x = 242,735.60

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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.