Home / 310,136.06-465,386.90-130,253.04

Finding the Fourth Proportional to 310,136.06, 465,386.90 and 130,253.04

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Solution

The fourth proportional to 310,136.06, 465,386.90 and 130,253.04 is: 195,456.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,136.06 : 465,386.90 = 130,253.04 : x
  2. Step 2: Convert to fraction form
    310,136.06/465,386.90 = 130,253.04/x
  3. Step 3: Cross multiply
    310,136.06x = 465,386.90 × 130,253.04
  4. Step 4: Simplify right side
    310,136.06x = 60,618,057,849.91
  5. Step 5: Solve for x
    x = 60,618,057,849.91/310,136.06
  6. Step 6: Final answer
    x = 195,456.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.