Home / 424,918.14-637,378.77-158,675.82

Finding the Fourth Proportional to 424,918.14, 637,378.77 and 158,675.82

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Solution

The fourth proportional to 424,918.14, 637,378.77 and 158,675.82 is: 238,014.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,918.14 : 637,378.77 = 158,675.82 : x
  2. Step 2: Convert to fraction form
    424,918.14/637,378.77 = 158,675.82/x
  3. Step 3: Cross multiply
    424,918.14x = 637,378.77 × 158,675.82
  4. Step 4: Simplify right side
    424,918.14x = 101,136,598,980.34
  5. Step 5: Solve for x
    x = 101,136,598,980.34/424,918.14
  6. Step 6: Final answer
    x = 238,014.31

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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.