Home / 152,156.20-228,234.30-99,279.40

Finding the Fourth Proportional to 152,156.20, 228,234.30 and 99,279.40

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Solution

The fourth proportional to 152,156.20, 228,234.30 and 99,279.40 is: 148,919.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,156.20 : 228,234.30 = 99,279.40 : x
  2. Step 2: Convert to fraction form
    152,156.20/228,234.30 = 99,279.40/x
  3. Step 3: Cross multiply
    152,156.20x = 228,234.30 × 99,279.40
  4. Step 4: Simplify right side
    152,156.20x = 22,658,964,363.42
  5. Step 5: Solve for x
    x = 22,658,964,363.42/152,156.20
  6. Step 6: Final answer
    x = 148,919.10

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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.