Home / 156,964.45-235,501.35-68,281.60

Finding the Fourth Proportional to 156,964.45, 235,501.35 and 68,281.60

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Solution

The fourth proportional to 156,964.45, 235,501.35 and 68,281.60 is: 102,446.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,964.45 : 235,501.35 = 68,281.60 : x
  2. Step 2: Convert to fraction form
    156,964.45/235,501.35 = 68,281.60/x
  3. Step 3: Cross multiply
    156,964.45x = 235,501.35 × 68,281.60
  4. Step 4: Simplify right side
    156,964.45x = 16,080,408,980.16
  5. Step 5: Solve for x
    x = 16,080,408,980.16/156,964.45
  6. Step 6: Final answer
    x = 102,446.18

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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.