Home / 146,302.38-201,897.18-79,234.38

Finding the Fourth Proportional to 146,302.38, 201,897.18 and 79,234.38

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Solution

The fourth proportional to 146,302.38, 201,897.18 and 79,234.38 is: 109,343.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,302.38 : 201,897.18 = 79,234.38 : x
  2. Step 2: Convert to fraction form
    146,302.38/201,897.18 = 79,234.38/x
  3. Step 3: Cross multiply
    146,302.38x = 201,897.18 × 79,234.38
  4. Step 4: Simplify right side
    146,302.38x = 15,997,197,881.05
  5. Step 5: Solve for x
    x = 15,997,197,881.05/146,302.38
  6. Step 6: Final answer
    x = 109,343.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.