Home / 156,799.40-235,199.10-154,207.40

Finding the Fourth Proportional to 156,799.40, 235,199.10 and 154,207.40

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Solution

The fourth proportional to 156,799.40, 235,199.10 and 154,207.40 is: 231,311.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,799.40 : 235,199.10 = 154,207.40 : x
  2. Step 2: Convert to fraction form
    156,799.40/235,199.10 = 154,207.40/x
  3. Step 3: Cross multiply
    156,799.40x = 235,199.10 × 154,207.40
  4. Step 4: Simplify right side
    156,799.40x = 36,269,441,693.34
  5. Step 5: Solve for x
    x = 36,269,441,693.34/156,799.40
  6. Step 6: Final answer
    x = 231,311.10

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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.