Home / 319,136.15-440,428.08-175,896.16

Finding the Fourth Proportional to 319,136.15, 440,428.08 and 175,896.16

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Solution

The fourth proportional to 319,136.15, 440,428.08 and 175,896.16 is: 242,747.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,136.15 : 440,428.08 = 175,896.16 : x
  2. Step 2: Convert to fraction form
    319,136.15/440,428.08 = 175,896.16/x
  3. Step 3: Cross multiply
    319,136.15x = 440,428.08 × 175,896.16
  4. Step 4: Simplify right side
    319,136.15x = 77,469,607,586.71
  5. Step 5: Solve for x
    x = 77,469,607,586.71/319,136.15
  6. Step 6: Final answer
    x = 242,747.83

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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.