Home / 350,986.60-525,875.10-163,613.80

Finding the Fourth Proportional to 350,986.60, 525,875.10 and 163,613.80

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Solution

The fourth proportional to 350,986.60, 525,875.10 and 163,613.80 is: 245,138.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,986.60 : 525,875.10 = 163,613.80 : x
  2. Step 2: Convert to fraction form
    350,986.60/525,875.10 = 163,613.80/x
  3. Step 3: Cross multiply
    350,986.60x = 525,875.10 × 163,613.80
  4. Step 4: Simplify right side
    350,986.60x = 86,040,423,436.38
  5. Step 5: Solve for x
    x = 86,040,423,436.38/350,986.60
  6. Step 6: Final answer
    x = 245,138.77

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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.