Home / 456,301.18-684,467.67-156,779.60

Finding the Fourth Proportional to 456,301.18, 684,467.67 and 156,779.60

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Solution

The fourth proportional to 456,301.18, 684,467.67 and 156,779.60 is: 235,174.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,301.18 : 684,467.67 = 156,779.60 : x
  2. Step 2: Convert to fraction form
    456,301.18/684,467.67 = 156,779.60/x
  3. Step 3: Cross multiply
    456,301.18x = 684,467.67 × 156,779.60
  4. Step 4: Simplify right side
    456,301.18x = 107,310,567,515.53
  5. Step 5: Solve for x
    x = 107,310,567,515.53/456,301.18
  6. Step 6: Final answer
    x = 235,174.87

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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.