Home / 268,186.60-402,506.70-110,528.20

Finding the Fourth Proportional to 268,186.60, 402,506.70 and 110,528.20

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Solution

The fourth proportional to 268,186.60, 402,506.70 and 110,528.20 is: 165,885.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,186.60 : 402,506.70 = 110,528.20 : x
  2. Step 2: Convert to fraction form
    268,186.60/402,506.70 = 110,528.20/x
  3. Step 3: Cross multiply
    268,186.60x = 402,506.70 × 110,528.20
  4. Step 4: Simplify right side
    268,186.60x = 44,488,341,038.94
  5. Step 5: Solve for x
    x = 44,488,341,038.94/268,186.60
  6. Step 6: Final answer
    x = 165,885.77

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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.