Home / 156,701.70-235,052.55-154,368.90

Finding the Fourth Proportional to 156,701.70, 235,052.55 and 154,368.90

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Solution

The fourth proportional to 156,701.70, 235,052.55 and 154,368.90 is: 231,553.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,701.70 : 235,052.55 = 154,368.90 : x
  2. Step 2: Convert to fraction form
    156,701.70/235,052.55 = 154,368.90/x
  3. Step 3: Cross multiply
    156,701.70x = 235,052.55 × 154,368.90
  4. Step 4: Simplify right side
    156,701.70x = 36,284,803,585.70
  5. Step 5: Solve for x
    x = 36,284,803,585.70/156,701.70
  6. Step 6: Final answer
    x = 231,553.35

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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.