Home / 147,601.80-221,402.70-135,354.60

Finding the Fourth Proportional to 147,601.80, 221,402.70 and 135,354.60

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Solution

The fourth proportional to 147,601.80, 221,402.70 and 135,354.60 is: 203,031.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,601.80 : 221,402.70 = 135,354.60 : x
  2. Step 2: Convert to fraction form
    147,601.80/221,402.70 = 135,354.60/x
  3. Step 3: Cross multiply
    147,601.80x = 221,402.70 × 135,354.60
  4. Step 4: Simplify right side
    147,601.80x = 29,967,873,897.42
  5. Step 5: Solve for x
    x = 29,967,873,897.42/147,601.80
  6. Step 6: Final answer
    x = 203,031.90

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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.