Home / 156,717.70-235,076.55-154,384.90

Finding the Fourth Proportional to 156,717.70, 235,076.55 and 154,384.90

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Solution

The fourth proportional to 156,717.70, 235,076.55 and 154,384.90 is: 231,577.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,717.70 : 235,076.55 = 154,384.90 : x
  2. Step 2: Convert to fraction form
    156,717.70/235,076.55 = 154,384.90/x
  3. Step 3: Cross multiply
    156,717.70x = 235,076.55 × 154,384.90
  4. Step 4: Simplify right side
    156,717.70x = 36,292,269,664.10
  5. Step 5: Solve for x
    x = 36,292,269,664.10/156,717.70
  6. Step 6: Final answer
    x = 231,577.35

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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.