Home / 156,688.14-234,942.08-83,567.90

Finding the Fourth Proportional to 156,688.14, 234,942.08 and 83,567.90

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Solution

The fourth proportional to 156,688.14, 234,942.08 and 83,567.90 is: 125,303.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,688.14 : 234,942.08 = 83,567.90 : x
  2. Step 2: Convert to fraction form
    156,688.14/234,942.08 = 83,567.90/x
  3. Step 3: Cross multiply
    156,688.14x = 234,942.08 × 83,567.90
  4. Step 4: Simplify right side
    156,688.14x = 19,633,616,247.23
  5. Step 5: Solve for x
    x = 19,633,616,247.23/156,688.14
  6. Step 6: Final answer
    x = 125,303.78

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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.