Home / 156,779.56-235,173.80-38,450.80

Finding the Fourth Proportional to 156,779.56, 235,173.80 and 38,450.80

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Solution

The fourth proportional to 156,779.56, 235,173.80 and 38,450.80 is: 57,677.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,779.56 : 235,173.80 = 38,450.80 : x
  2. Step 2: Convert to fraction form
    156,779.56/235,173.80 = 38,450.80/x
  3. Step 3: Cross multiply
    156,779.56x = 235,173.80 × 38,450.80
  4. Step 4: Simplify right side
    156,779.56x = 9,042,620,749.04
  5. Step 5: Solve for x
    x = 9,042,620,749.04/156,779.56
  6. Step 6: Final answer
    x = 57,677.29

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1.5x scale

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.