Home / 353,146.20-530,010.90-163,897.80

Finding the Fourth Proportional to 353,146.20, 530,010.90 and 163,897.80

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Solution

The fourth proportional to 353,146.20, 530,010.90 and 163,897.80 is: 245,982.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,146.20 : 530,010.90 = 163,897.80 : x
  2. Step 2: Convert to fraction form
    353,146.20/530,010.90 = 163,897.80/x
  3. Step 3: Cross multiply
    353,146.20x = 530,010.90 × 163,897.80
  4. Step 4: Simplify right side
    353,146.20x = 86,867,620,486.02
  5. Step 5: Solve for x
    x = 86,867,620,486.02/353,146.20
  6. Step 6: Final answer
    x = 245,982.03

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1.5x scale

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.